Finding the Fourth Proportional to 104,158.27, 143,738.37 and 56,411.62

Step by Step Solution

1. Step 1: Write the proportion equation
   104,158.27 : 143,738.37 = 56,411.62 : x
2. Step 2: Convert to fraction form
   104,158.27/143,738.37 = 56,411.62/x
3. Step 3: Cross multiply
   104,158.27x = 143,738.37 × 56,411.62
4. Step 4: Simplify right side
   104,158.27x = 8,108,514,307.86
5. Step 5: Solve for x
   x = 8,108,514,307.86/104,158.27
6. Step 6: Final answer
   x = 77,848.01