Finding the Fourth Proportional to 17,665, 24,377.70 and 10,217.32

Step by Step Solution

1. Step 1: Write the proportion equation
   17,665 : 24,377.70 = 10,217.32 : x
2. Step 2: Convert to fraction form
   17,665/24,377.70 = 10,217.32/x
3. Step 3: Cross multiply
   17,665x = 24,377.70 × 10,217.32
4. Step 4: Simplify right side
   17,665x = 249,074,761.76
5. Step 5: Solve for x
   x = 249,074,761.76/17,665
6. Step 6: Final answer
   x = 14,099.90