Finding the Fourth Proportional to 59,661.43, 89,656.17 and 55,760.37

Step by Step Solution

1. Step 1: Write the proportion equation
   59,661.43 : 89,656.17 = 55,760.37 : x
2. Step 2: Convert to fraction form
   59,661.43/89,656.17 = 55,760.37/x
3. Step 3: Cross multiply
   59,661.43x = 89,656.17 × 55,760.37
4. Step 4: Simplify right side
   59,661.43x = 4,999,261,091.03
5. Step 5: Solve for x
   x = 4,999,261,091.03/59,661.43
6. Step 6: Final answer
   x = 83,793.85