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Finding the Fourth Proportional to 42,381.96, 63,570.12 and 17,415.54

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Solution

The fourth proportional to 42,381.96, 63,570.12 and 17,415.54 is: 26,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,381.96 : 63,570.12 = 17,415.54 : x
  2. Step 2: Convert to fraction form
    42,381.96/63,570.12 = 17,415.54/x
  3. Step 3: Cross multiply
    42,381.96x = 63,570.12 × 17,415.54
  4. Step 4: Simplify right side
    42,381.96x = 1,107,107,967.66
  5. Step 5: Solve for x
    x = 1,107,107,967.66/42,381.96
  6. Step 6: Final answer
    x = 26,122.15

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