Finding the Fourth Proportional to 104,061.87, 143,604.36 and 56,314.17

Step by Step Solution

1. Step 1: Write the proportion equation
   104,061.87 : 143,604.36 = 56,314.17 : x
2. Step 2: Convert to fraction form
   104,061.87/143,604.36 = 56,314.17/x
3. Step 3: Cross multiply
   104,061.87x = 143,604.36 × 56,314.17
4. Step 4: Simplify right side
   104,061.87x = 8,086,960,341.78
5. Step 5: Solve for x
   x = 8,086,960,341.78/104,061.87
6. Step 6: Final answer
   x = 77,713.00