Finding the Fourth Proportional to 17,551.78, 24,221.51 and 10,478.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,551.78 : 24,221.51 = 10,478.05 : x
2. Step 2: Convert to fraction form
   17,551.78/24,221.51 = 10,478.05/x
3. Step 3: Cross multiply
   17,551.78x = 24,221.51 × 10,478.05
4. Step 4: Simplify right side
   17,551.78x = 253,794,140.47
5. Step 5: Solve for x
   x = 253,794,140.47/17,551.78
6. Step 6: Final answer
   x = 14,459.74