Finding the Fourth Proportional to 59,436.56, 88,623.46 and 57,803.60

Step by Step Solution

1. Step 1: Write the proportion equation
   59,436.56 : 88,623.46 = 57,803.60 : x
2. Step 2: Convert to fraction form
   59,436.56/88,623.46 = 57,803.60/x
3. Step 3: Cross multiply
   59,436.56x = 88,623.46 × 57,803.60
4. Step 4: Simplify right side
   59,436.56x = 5,122,755,032.46
5. Step 5: Solve for x
   x = 5,122,755,032.46/59,436.56
6. Step 6: Final answer
   x = 86,188.62