Finding the Fourth Proportional to 59,558.52, 89,878.17 and 57,575.64

Step by Step Solution

1. Step 1: Write the proportion equation
   59,558.52 : 89,878.17 = 57,575.64 : x
2. Step 2: Convert to fraction form
   59,558.52/89,878.17 = 57,575.64/x
3. Step 3: Cross multiply
   59,558.52x = 89,878.17 × 57,575.64
4. Step 4: Simplify right side
   59,558.52x = 5,174,793,159.78
5. Step 5: Solve for x
   x = 5,174,793,159.78/59,558.52
6. Step 6: Final answer
   x = 86,885.86