Finding the Fourth Proportional to 12,317.34, 18,479.25 and 3,552.78

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.34 : 18,479.25 = 3,552.78 : x
2. Step 2: Convert to fraction form
   12,317.34/18,479.25 = 3,552.78/x
3. Step 3: Cross multiply
   12,317.34x = 18,479.25 × 3,552.78
4. Step 4: Simplify right side
   12,317.34x = 65,652,709.82
5. Step 5: Solve for x
   x = 65,652,709.82/12,317.34
6. Step 6: Final answer
   x = 5,330.10