Finding the Fourth Proportional to 43,158.16, 59,550.84 and 39,670.15

Step by Step Solution

1. Step 1: Write the proportion equation
   43,158.16 : 59,550.84 = 39,670.15 : x
2. Step 2: Convert to fraction form
   43,158.16/59,550.84 = 39,670.15/x
3. Step 3: Cross multiply
   43,158.16x = 59,550.84 × 39,670.15
4. Step 4: Simplify right side
   43,158.16x = 2,362,390,755.43
5. Step 5: Solve for x
   x = 2,362,390,755.43/43,158.16
6. Step 6: Final answer
   x = 54,737.99