Finding the Fourth Proportional to 59,407.83, 88,354.26 and 57,911.58

Step by Step Solution

1. Step 1: Write the proportion equation
   59,407.83 : 88,354.26 = 57,911.58 : x
2. Step 2: Convert to fraction form
   59,407.83/88,354.26 = 57,911.58/x
3. Step 3: Cross multiply
   59,407.83x = 88,354.26 × 57,911.58
4. Step 4: Simplify right side
   59,407.83x = 5,116,734,796.33
5. Step 5: Solve for x
   x = 5,116,734,796.33/59,407.83
6. Step 6: Final answer
   x = 86,128.96