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Finding the Fourth Proportional to 86,897.27, 130,395.17 and 46,915.71

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Solution

The fourth proportional to 86,897.27, 130,395.17 and 46,915.71 is: 70,400.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,897.27 : 130,395.17 = 46,915.71 : x
  2. Step 2: Convert to fraction form
    86,897.27/130,395.17 = 46,915.71/x
  3. Step 3: Cross multiply
    86,897.27x = 130,395.17 × 46,915.71
  4. Step 4: Simplify right side
    86,897.27x = 6,117,581,746.54
  5. Step 5: Solve for x
    x = 6,117,581,746.54/86,897.27
  6. Step 6: Final answer
    x = 70,400.16

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