Finding the Fourth Proportional to 17,687.48, 24,402.65 and 10,970.69

Step by Step Solution

1. Step 1: Write the proportion equation
   17,687.48 : 24,402.65 = 10,970.69 : x
2. Step 2: Convert to fraction form
   17,687.48/24,402.65 = 10,970.69/x
3. Step 3: Cross multiply
   17,687.48x = 24,402.65 × 10,970.69
4. Step 4: Simplify right side
   17,687.48x = 267,713,731.46
5. Step 5: Solve for x
   x = 267,713,731.46/17,687.48
6. Step 6: Final answer
   x = 15,135.78