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Finding the Fourth Proportional to 67,458.40, 100,928.40 and 44,130.40

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Solution

The fourth proportional to 67,458.40, 100,928.40 and 44,130.40 is: 66,026.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,458.40 : 100,928.40 = 44,130.40 : x
  2. Step 2: Convert to fraction form
    67,458.40/100,928.40 = 44,130.40/x
  3. Step 3: Cross multiply
    67,458.40x = 100,928.40 × 44,130.40
  4. Step 4: Simplify right side
    67,458.40x = 4,454,010,663.36
  5. Step 5: Solve for x
    x = 4,454,010,663.36/67,458.40
  6. Step 6: Final answer
    x = 66,026.03

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