Finding the Fourth Proportional to 39,700.89, 59,561.33 and 17,520.39

Step by Step Solution

1. Step 1: Write the proportion equation
   39,700.89 : 59,561.33 = 17,520.39 : x
2. Step 2: Convert to fraction form
   39,700.89/59,561.33 = 17,520.39/x
3. Step 3: Cross multiply
   39,700.89x = 59,561.33 × 17,520.39
4. Step 4: Simplify right side
   39,700.89x = 1,043,537,642.92
5. Step 5: Solve for x
   x = 1,043,537,642.92/39,700.89
6. Step 6: Final answer
   x = 26,284.99