Finding the Fourth Proportional to 131,577.89, 181,577.35 and 71,148.38

Step by Step Solution

1. Step 1: Write the proportion equation
   131,577.89 : 181,577.35 = 71,148.38 : x
2. Step 2: Convert to fraction form
   131,577.89/181,577.35 = 71,148.38/x
3. Step 3: Cross multiply
   131,577.89x = 181,577.35 × 71,148.38
4. Step 4: Simplify right side
   131,577.89x = 12,918,934,573.27
5. Step 5: Solve for x
   x = 12,918,934,573.27/131,577.89
6. Step 6: Final answer
   x = 98,184.70