Finding the Fourth Proportional to 141,520.82, 195,298.72 and 77,857.24

Step by Step Solution

1. Step 1: Write the proportion equation
   141,520.82 : 195,298.72 = 77,857.24 : x
2. Step 2: Convert to fraction form
   141,520.82/195,298.72 = 77,857.24/x
3. Step 3: Cross multiply
   141,520.82x = 195,298.72 × 77,857.24
4. Step 4: Simplify right side
   141,520.82x = 15,205,419,314.73
5. Step 5: Solve for x
   x = 15,205,419,314.73/141,520.82
6. Step 6: Final answer
   x = 107,442.98