Finding the Fourth Proportional to 17,776.43, 24,531.38 and 9,818.61

Step by Step Solution

1. Step 1: Write the proportion equation
   17,776.43 : 24,531.38 = 9,818.61 : x
2. Step 2: Convert to fraction form
   17,776.43/24,531.38 = 9,818.61/x
3. Step 3: Cross multiply
   17,776.43x = 24,531.38 × 9,818.61
4. Step 4: Simplify right side
   17,776.43x = 240,864,003.89
5. Step 5: Solve for x
   x = 240,864,003.89/17,776.43
6. Step 6: Final answer
   x = 13,549.63