Finding the Fourth Proportional to 56,755.16, 78,331.46 and 43,300.99

Step by Step Solution

1. Step 1: Write the proportion equation
   56,755.16 : 78,331.46 = 43,300.99 : x
2. Step 2: Convert to fraction form
   56,755.16/78,331.46 = 43,300.99/x
3. Step 3: Cross multiply
   56,755.16x = 78,331.46 × 43,300.99
4. Step 4: Simplify right side
   56,755.16x = 3,391,829,766.15
5. Step 5: Solve for x
   x = 3,391,829,766.15/56,755.16
6. Step 6: Final answer
   x = 59,762.49