Finding the Fourth Proportional to 131,898.32, 182,020.40 and 71,469

Step by Step Solution

1. Step 1: Write the proportion equation
   131,898.32 : 182,020.40 = 71,469 : x
2. Step 2: Convert to fraction form
   131,898.32/182,020.40 = 71,469/x
3. Step 3: Cross multiply
   131,898.32x = 182,020.40 × 71,469
4. Step 4: Simplify right side
   131,898.32x = 13,008,815,967.60
5. Step 5: Solve for x
   x = 13,008,815,967.60/131,898.32
6. Step 6: Final answer
   x = 98,627.61