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Finding the Fourth Proportional to 118,471.06, 163,490.06 and 64,756.28

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Solution

The fourth proportional to 118,471.06, 163,490.06 and 64,756.28 is: 89,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,471.06 : 163,490.06 = 64,756.28 : x
  2. Step 2: Convert to fraction form
    118,471.06/163,490.06 = 64,756.28/x
  3. Step 3: Cross multiply
    118,471.06x = 163,490.06 × 64,756.28
  4. Step 4: Simplify right side
    118,471.06x = 10,587,008,673.19
  5. Step 5: Solve for x
    x = 10,587,008,673.19/118,471.06
  6. Step 6: Final answer
    x = 89,363.67

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