Finding the Fourth Proportional to 59,128.89, 88,646.24 and 34,140.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,128.89 : 88,646.24 = 34,140.60 : x
2. Step 2: Convert to fraction form
   59,128.89/88,646.24 = 34,140.60/x
3. Step 3: Cross multiply
   59,128.89x = 88,646.24 × 34,140.60
4. Step 4: Simplify right side
   59,128.89x = 3,026,435,650.64
5. Step 5: Solve for x
   x = 3,026,435,650.64/59,128.89
6. Step 6: Final answer
   x = 51,183.70