Finding the Fourth Proportional to 147,287.08, 203,191.50 and 99,523

Step by Step Solution

1. Step 1: Write the proportion equation
   147,287.08 : 203,191.50 = 99,523 : x
2. Step 2: Convert to fraction form
   147,287.08/203,191.50 = 99,523/x
3. Step 3: Cross multiply
   147,287.08x = 203,191.50 × 99,523
4. Step 4: Simplify right side
   147,287.08x = 20,222,227,654.50
5. Step 5: Solve for x
   x = 20,222,227,654.50/147,287.08
6. Step 6: Final answer
   x = 137,298.04