Finding the Fourth Proportional to 59,631.75, 89,381.88 and 38,521.80

Step by Step Solution

1. Step 1: Write the proportion equation
   59,631.75 : 89,381.88 = 38,521.80 : x
2. Step 2: Convert to fraction form
   59,631.75/89,381.88 = 38,521.80/x
3. Step 3: Cross multiply
   59,631.75x = 89,381.88 × 38,521.80
4. Step 4: Simplify right side
   59,631.75x = 3,443,150,904.98
5. Step 5: Solve for x
   x = 3,443,150,904.98/59,631.75
6. Step 6: Final answer
   x = 57,740.23