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Finding the Fourth Proportional to 209,903.79, 314,657.28 and 83,622.06

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Solution

The fourth proportional to 209,903.79, 314,657.28 and 83,622.06 is: 125,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,903.79 : 314,657.28 = 83,622.06 : x
  2. Step 2: Convert to fraction form
    209,903.79/314,657.28 = 83,622.06/x
  3. Step 3: Cross multiply
    209,903.79x = 314,657.28 × 83,622.06
  4. Step 4: Simplify right side
    209,903.79x = 26,312,289,947.60
  5. Step 5: Solve for x
    x = 26,312,289,947.60/209,903.79
  6. Step 6: Final answer
    x = 125,354.05

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