Finding the Fourth Proportional to 59,145.60, 88,743.60 and 31,087.20

Step by Step Solution

1. Step 1: Write the proportion equation
   59,145.60 : 88,743.60 = 31,087.20 : x
2. Step 2: Convert to fraction form
   59,145.60/88,743.60 = 31,087.20/x
3. Step 3: Cross multiply
   59,145.60x = 88,743.60 × 31,087.20
4. Step 4: Simplify right side
   59,145.60x = 2,758,790,041.92
5. Step 5: Solve for x
   x = 2,758,790,041.92/59,145.60
6. Step 6: Final answer
   x = 46,644.05