Finding the Fourth Proportional to 17,824.64, 24,598.74 and 9,866.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,824.64 : 24,598.74 = 9,866.72 : x
2. Step 2: Convert to fraction form
   17,824.64/24,598.74 = 9,866.72/x
3. Step 3: Cross multiply
   17,824.64x = 24,598.74 × 9,866.72
4. Step 4: Simplify right side
   17,824.64x = 242,708,879.93
5. Step 5: Solve for x
   x = 242,708,879.93/17,824.64
6. Step 6: Final answer
   x = 13,616.48