Finding the Fourth Proportional to 59,092, 88,638.08 and 57,604.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,092 : 88,638.08 = 57,604.80 : x
2. Step 2: Convert to fraction form
   59,092/88,638.08 = 57,604.80/x
3. Step 3: Cross multiply
   59,092x = 88,638.08 × 57,604.80
4. Step 4: Simplify right side
   59,092x = 5,105,978,870.78
5. Step 5: Solve for x
   x = 5,105,978,870.78/59,092
6. Step 6: Final answer
   x = 86,407.28