Finding the Fourth Proportional to 59,781.80, 89,684.50 and 17,662.62

Step by Step Solution

1. Step 1: Write the proportion equation
   59,781.80 : 89,684.50 = 17,662.62 : x
2. Step 2: Convert to fraction form
   59,781.80/89,684.50 = 17,662.62/x
3. Step 3: Cross multiply
   59,781.80x = 89,684.50 × 17,662.62
4. Step 4: Simplify right side
   59,781.80x = 1,584,063,243.39
5. Step 5: Solve for x
   x = 1,584,063,243.39/59,781.80
6. Step 6: Final answer
   x = 26,497.42