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Finding the Fourth Proportional to 163,926.40, 245,889.60 and 53,118.40

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Solution

The fourth proportional to 163,926.40, 245,889.60 and 53,118.40 is: 79,677.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,926.40 : 245,889.60 = 53,118.40 : x
  2. Step 2: Convert to fraction form
    163,926.40/245,889.60 = 53,118.40/x
  3. Step 3: Cross multiply
    163,926.40x = 245,889.60 × 53,118.40
  4. Step 4: Simplify right side
    163,926.40x = 13,061,262,128.64
  5. Step 5: Solve for x
    x = 13,061,262,128.64/163,926.40
  6. Step 6: Final answer
    x = 79,677.60

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