Finding the Fourth Proportional to 59,171.60, 88,642.20 and 35,728.40

Step by Step Solution

1. Step 1: Write the proportion equation
   59,171.60 : 88,642.20 = 35,728.40 : x
2. Step 2: Convert to fraction form
   59,171.60/88,642.20 = 35,728.40/x
3. Step 3: Cross multiply
   59,171.60x = 88,642.20 × 35,728.40
4. Step 4: Simplify right side
   59,171.60x = 3,167,043,978.48
5. Step 5: Solve for x
   x = 3,167,043,978.48/59,171.60
6. Step 6: Final answer
   x = 53,523.04