Finding the Fourth Proportional to 59,636.80, 89,348.76 and 39,855.52

Step by Step Solution

1. Step 1: Write the proportion equation
   59,636.80 : 89,348.76 = 39,855.52 : x
2. Step 2: Convert to fraction form
   59,636.80/89,348.76 = 39,855.52/x
3. Step 3: Cross multiply
   59,636.80x = 89,348.76 × 39,855.52
4. Step 4: Simplify right side
   59,636.80x = 3,561,041,291.16
5. Step 5: Solve for x
   x = 3,561,041,291.16/59,636.80
6. Step 6: Final answer
   x = 59,712.15