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Finding the Fourth Proportional to 92,782.64, 128,040.05 and 50,341.17

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Solution

The fourth proportional to 92,782.64, 128,040.05 and 50,341.17 is: 69,470.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,782.64 : 128,040.05 = 50,341.17 : x
  2. Step 2: Convert to fraction form
    92,782.64/128,040.05 = 50,341.17/x
  3. Step 3: Cross multiply
    92,782.64x = 128,040.05 × 50,341.17
  4. Step 4: Simplify right side
    92,782.64x = 6,445,685,672.15
  5. Step 5: Solve for x
    x = 6,445,685,672.15/92,782.64
  6. Step 6: Final answer
    x = 69,470.82

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