Finding the Fourth Proportional to 17,480.72, 24,123.86 and 9,926.76

Step by Step Solution

1. Step 1: Write the proportion equation
   17,480.72 : 24,123.86 = 9,926.76 : x
2. Step 2: Convert to fraction form
   17,480.72/24,123.86 = 9,926.76/x
3. Step 3: Cross multiply
   17,480.72x = 24,123.86 × 9,926.76
4. Step 4: Simplify right side
   17,480.72x = 239,471,718.86
5. Step 5: Solve for x
   x = 239,471,718.86/17,480.72
6. Step 6: Final answer
   x = 13,699.19