Finding the Fourth Proportional to 104,265, 143,884.89 and 56,517.12

Step by Step Solution

1. Step 1: Write the proportion equation
   104,265 : 143,884.89 = 56,517.12 : x
2. Step 2: Convert to fraction form
   104,265/143,884.89 = 56,517.12/x
3. Step 3: Cross multiply
   104,265x = 143,884.89 × 56,517.12
4. Step 4: Simplify right side
   104,265x = 8,131,959,594.32
5. Step 5: Solve for x
   x = 8,131,959,594.32/104,265
6. Step 6: Final answer
   x = 77,993.19