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Finding the Fourth Proportional to 429,066.87, 643,351.07 and 162,682.07

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Solution

The fourth proportional to 429,066.87, 643,351.07 and 162,682.07 is: 243,928.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,066.87 : 643,351.07 = 162,682.07 : x
  2. Step 2: Convert to fraction form
    429,066.87/643,351.07 = 162,682.07/x
  3. Step 3: Cross multiply
    429,066.87x = 643,351.07 × 162,682.07
  4. Step 4: Simplify right side
    429,066.87x = 104,661,680,994.27
  5. Step 5: Solve for x
    x = 104,661,680,994.27/429,066.87
  6. Step 6: Final answer
    x = 243,928.60

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