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Finding the Fourth Proportional to 98,174.20, 147,258.06 and 28,053.40

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Solution

The fourth proportional to 98,174.20, 147,258.06 and 28,053.40 is: 42,079.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,174.20 : 147,258.06 = 28,053.40 : x
  2. Step 2: Convert to fraction form
    98,174.20/147,258.06 = 28,053.40/x
  3. Step 3: Cross multiply
    98,174.20x = 147,258.06 × 28,053.40
  4. Step 4: Simplify right side
    98,174.20x = 4,131,089,260.40
  5. Step 5: Solve for x
    x = 4,131,089,260.40/98,174.20
  6. Step 6: Final answer
    x = 42,079.17

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