Finding the Fourth Proportional to 17,872.71, 24,663.86 and 10,318.79

Step by Step Solution

1. Step 1: Write the proportion equation
   17,872.71 : 24,663.86 = 10,318.79 : x
2. Step 2: Convert to fraction form
   17,872.71/24,663.86 = 10,318.79/x
3. Step 3: Cross multiply
   17,872.71x = 24,663.86 × 10,318.79
4. Step 4: Simplify right side
   17,872.71x = 254,501,017.02
5. Step 5: Solve for x
   x = 254,501,017.02/17,872.71
6. Step 6: Final answer
   x = 14,239.64