Finding the Fourth Proportional to 17,696.41, 24,407.16 and 10,978.27

Step by Step Solution

1. Step 1: Write the proportion equation
   17,696.41 : 24,407.16 = 10,978.27 : x
2. Step 2: Convert to fraction form
   17,696.41/24,407.16 = 10,978.27/x
3. Step 3: Cross multiply
   17,696.41x = 24,407.16 × 10,978.27
4. Step 4: Simplify right side
   17,696.41x = 267,948,392.41
5. Step 5: Solve for x
   x = 267,948,392.41/17,696.41
6. Step 6: Final answer
   x = 15,141.40