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Finding the Fourth Proportional to 291,995.89, 438,071.69 and 92,320.02

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Solution

The fourth proportional to 291,995.89, 438,071.69 and 92,320.02 is: 138,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,995.89 : 438,071.69 = 92,320.02 : x
  2. Step 2: Convert to fraction form
    291,995.89/438,071.69 = 92,320.02/x
  3. Step 3: Cross multiply
    291,995.89x = 438,071.69 × 92,320.02
  4. Step 4: Simplify right side
    291,995.89x = 40,442,787,413.03
  5. Step 5: Solve for x
    x = 40,442,787,413.03/291,995.89
  6. Step 6: Final answer
    x = 138,504.65

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