Finding the Fourth Proportional to 12,803.16, 17,673 and 7,499.64

Step by Step Solution

1. Step 1: Write the proportion equation
   12,803.16 : 17,673 = 7,499.64 : x
2. Step 2: Convert to fraction form
   12,803.16/17,673 = 7,499.64/x
3. Step 3: Cross multiply
   12,803.16x = 17,673 × 7,499.64
4. Step 4: Simplify right side
   12,803.16x = 132,541,137.72
5. Step 5: Solve for x
   x = 132,541,137.72/12,803.16
6. Step 6: Final answer
   x = 10,352.22