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Finding the Fourth Proportional to 92,908.19, 128,210.37 and 52,625.68

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Solution

The fourth proportional to 92,908.19, 128,210.37 and 52,625.68 is: 72,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.19 : 128,210.37 = 52,625.68 : x
  2. Step 2: Convert to fraction form
    92,908.19/128,210.37 = 52,625.68/x
  3. Step 3: Cross multiply
    92,908.19x = 128,210.37 × 52,625.68
  4. Step 4: Simplify right side
    92,908.19x = 6,747,157,904.30
  5. Step 5: Solve for x
    x = 6,747,157,904.30/92,908.19
  6. Step 6: Final answer
    x = 72,621.78

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