Finding the Fourth Proportional to 71,799.32, 99,081.50 and 41,590.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,799.32 : 99,081.50 = 41,590.10 : x
2. Step 2: Convert to fraction form
   71,799.32/99,081.50 = 41,590.10/x
3. Step 3: Cross multiply
   71,799.32x = 99,081.50 × 41,590.10
4. Step 4: Simplify right side
   71,799.32x = 4,120,809,493.15
5. Step 5: Solve for x
   x = 4,120,809,493.15/71,799.32
6. Step 6: Final answer
   x = 57,393.43