Finding the Fourth Proportional to 17,672.50, 24,388.69 and 10,120.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,672.50 : 24,388.69 = 10,120.18 : x
2. Step 2: Convert to fraction form
   17,672.50/24,388.69 = 10,120.18/x
3. Step 3: Cross multiply
   17,672.50x = 24,388.69 × 10,120.18
4. Step 4: Simplify right side
   17,672.50x = 246,817,932.76
5. Step 5: Solve for x
   x = 246,817,932.76/17,672.50
6. Step 6: Final answer
   x = 13,966.21