Finding the Fourth Proportional to 17,660.78, 24,369.86 and 10,488.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,660.78 : 24,369.86 = 10,488.12 : x
2. Step 2: Convert to fraction form
   17,660.78/24,369.86 = 10,488.12/x
3. Step 3: Cross multiply
   17,660.78x = 24,369.86 × 10,488.12
4. Step 4: Simplify right side
   17,660.78x = 255,594,016.06
5. Step 5: Solve for x
   x = 255,594,016.06/17,660.78
6. Step 6: Final answer
   x = 14,472.41