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Finding the Fourth Proportional to 92,386.15, 138,622.97 and 52,976.59

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Solution

The fourth proportional to 92,386.15, 138,622.97 and 52,976.59 is: 79,489.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,386.15 : 138,622.97 = 52,976.59 : x
  2. Step 2: Convert to fraction form
    92,386.15/138,622.97 = 52,976.59/x
  3. Step 3: Cross multiply
    92,386.15x = 138,622.97 × 52,976.59
  4. Step 4: Simplify right side
    92,386.15x = 7,343,772,246.27
  5. Step 5: Solve for x
    x = 7,343,772,246.27/92,386.15
  6. Step 6: Final answer
    x = 79,489.97

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