Finding the Fourth Proportional to 56,592.80, 78,095.76 and 31,443.92

Step by Step Solution

1. Step 1: Write the proportion equation
   56,592.80 : 78,095.76 = 31,443.92 : x
2. Step 2: Convert to fraction form
   56,592.80/78,095.76 = 31,443.92/x
3. Step 3: Cross multiply
   56,592.80x = 78,095.76 × 31,443.92
4. Step 4: Simplify right side
   56,592.80x = 2,455,636,829.78
5. Step 5: Solve for x
   x = 2,455,636,829.78/56,592.80
6. Step 6: Final answer
   x = 43,391.33