Finding the Fourth Proportional to 17,561.91, 24,243.81 and 10,851.47

Step by Step Solution

1. Step 1: Write the proportion equation
   17,561.91 : 24,243.81 = 10,851.47 : x
2. Step 2: Convert to fraction form
   17,561.91/24,243.81 = 10,851.47/x
3. Step 3: Cross multiply
   17,561.91x = 24,243.81 × 10,851.47
4. Step 4: Simplify right side
   17,561.91x = 263,080,905.90
5. Step 5: Solve for x
   x = 263,080,905.90/17,561.91
6. Step 6: Final answer
   x = 14,980.20