Finding the Fourth Proportional to 104,158.48, 143,737.98 and 56,410.73

Step by Step Solution

1. Step 1: Write the proportion equation
   104,158.48 : 143,737.98 = 56,410.73 : x
2. Step 2: Convert to fraction form
   104,158.48/143,737.98 = 56,410.73/x
3. Step 3: Cross multiply
   104,158.48x = 143,737.98 × 56,410.73
4. Step 4: Simplify right side
   104,158.48x = 8,108,364,380.53
5. Step 5: Solve for x
   x = 8,108,364,380.53/104,158.48
6. Step 6: Final answer
   x = 77,846.42