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Finding the Fourth Proportional to 107,210.61, 147,853.83 and 66,928.11

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Solution

The fourth proportional to 107,210.61, 147,853.83 and 66,928.11 is: 92,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,210.61 : 147,853.83 = 66,928.11 : x
  2. Step 2: Convert to fraction form
    107,210.61/147,853.83 = 66,928.11/x
  3. Step 3: Cross multiply
    107,210.61x = 147,853.83 × 66,928.11
  4. Step 4: Simplify right side
    107,210.61x = 9,895,577,398.16
  5. Step 5: Solve for x
    x = 9,895,577,398.16/107,210.61
  6. Step 6: Final answer
    x = 92,300.36

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