Finding the Fourth Proportional to 12,317.89, 18,479.92 and 3,552.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.89 : 18,479.92 = 3,552.81 : x
2. Step 2: Convert to fraction form
   12,317.89/18,479.92 = 3,552.81/x
3. Step 3: Cross multiply
   12,317.89x = 18,479.92 × 3,552.81
4. Step 4: Simplify right side
   12,317.89x = 65,655,574.00
5. Step 5: Solve for x
   x = 65,655,574.00/12,317.89
6. Step 6: Final answer
   x = 5,330.10