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Finding the Fourth Proportional to 98,547.54, 135,984.60 and 55,528.98

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Solution

The fourth proportional to 98,547.54, 135,984.60 and 55,528.98 is: 76,623.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,547.54 : 135,984.60 = 55,528.98 : x
  2. Step 2: Convert to fraction form
    98,547.54/135,984.60 = 55,528.98/x
  3. Step 3: Cross multiply
    98,547.54x = 135,984.60 × 55,528.98
  4. Step 4: Simplify right side
    98,547.54x = 7,551,086,133.71
  5. Step 5: Solve for x
    x = 7,551,086,133.71/98,547.54
  6. Step 6: Final answer
    x = 76,623.79

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