Finding the Fourth Proportional to 12,573.83, 17,359.49 and 8,328.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,573.83 : 17,359.49 = 8,328.53 : x
2. Step 2: Convert to fraction form
   12,573.83/17,359.49 = 8,328.53/x
3. Step 3: Cross multiply
   12,573.83x = 17,359.49 × 8,328.53
4. Step 4: Simplify right side
   12,573.83x = 144,579,025.22
5. Step 5: Solve for x
   x = 144,579,025.22/12,573.83
6. Step 6: Final answer
   x = 11,498.41