Finding the Fourth Proportional to 131,648.52, 181,674.41 and 71,219.02

Step by Step Solution

1. Step 1: Write the proportion equation
   131,648.52 : 181,674.41 = 71,219.02 : x
2. Step 2: Convert to fraction form
   131,648.52/181,674.41 = 71,219.02/x
3. Step 3: Cross multiply
   131,648.52x = 181,674.41 × 71,219.02
4. Step 4: Simplify right side
   131,648.52x = 12,938,673,261.23
5. Step 5: Solve for x
   x = 12,938,673,261.23/131,648.52
6. Step 6: Final answer
   x = 98,281.95