Finding the Fourth Proportional to 43,160.16, 59,553.60 and 39,672.16

Step by Step Solution

1. Step 1: Write the proportion equation
   43,160.16 : 59,553.60 = 39,672.16 : x
2. Step 2: Convert to fraction form
   43,160.16/59,553.60 = 39,672.16/x
3. Step 3: Cross multiply
   43,160.16x = 59,553.60 × 39,672.16
4. Step 4: Simplify right side
   43,160.16x = 2,362,619,947.78
5. Step 5: Solve for x
   x = 2,362,619,947.78/43,160.16
6. Step 6: Final answer
   x = 54,740.76