Finding the Fourth Proportional to 131,873.59, 181,985.33 and 71,445.77

Step by Step Solution

1. Step 1: Write the proportion equation
   131,873.59 : 181,985.33 = 71,445.77 : x
2. Step 2: Convert to fraction form
   131,873.59/181,985.33 = 71,445.77/x
3. Step 3: Cross multiply
   131,873.59x = 181,985.33 × 71,445.77
4. Step 4: Simplify right side
   131,873.59x = 13,002,080,763.40
5. Step 5: Solve for x
   x = 13,002,080,763.40/131,873.59
6. Step 6: Final answer
   x = 98,595.04