Finding the Fourth Proportional to 17,406.72, 24,012.80 and 10,328.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,406.72 : 24,012.80 = 10,328.12 : x
2. Step 2: Convert to fraction form
   17,406.72/24,012.80 = 10,328.12/x
3. Step 3: Cross multiply
   17,406.72x = 24,012.80 × 10,328.12
4. Step 4: Simplify right side
   17,406.72x = 248,007,079.94
5. Step 5: Solve for x
   x = 248,007,079.94/17,406.72
6. Step 6: Final answer
   x = 14,247.78