Finding the Fourth Proportional to 17,776.72, 24,530.88 and 9,818.74

Step by Step Solution

1. Step 1: Write the proportion equation
   17,776.72 : 24,530.88 = 9,818.74 : x
2. Step 2: Convert to fraction form
   17,776.72/24,530.88 = 9,818.74/x
3. Step 3: Cross multiply
   17,776.72x = 24,530.88 × 9,818.74
4. Step 4: Simplify right side
   17,776.72x = 240,862,332.69
5. Step 5: Solve for x
   x = 240,862,332.69/17,776.72
6. Step 6: Final answer
   x = 13,549.31