Finding the Fourth Proportional to 56,550.50, 78,042.93 and 31,401.62

Step by Step Solution

1. Step 1: Write the proportion equation
   56,550.50 : 78,042.93 = 31,401.62 : x
2. Step 2: Convert to fraction form
   56,550.50/78,042.93 = 31,401.62/x
3. Step 3: Cross multiply
   56,550.50x = 78,042.93 × 31,401.62
4. Step 4: Simplify right side
   56,550.50x = 2,450,674,431.55
5. Step 5: Solve for x
   x = 2,450,674,431.55/56,550.50
6. Step 6: Final answer
   x = 43,336.03