Finding the Fourth Proportional to 12,322.53, 18,480.15 and 3,557.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,322.53 : 18,480.15 = 3,557.52 : x
2. Step 2: Convert to fraction form
   12,322.53/18,480.15 = 3,557.52/x
3. Step 3: Cross multiply
   12,322.53x = 18,480.15 × 3,557.52
4. Step 4: Simplify right side
   12,322.53x = 65,743,503.23
5. Step 5: Solve for x
   x = 65,743,503.23/12,322.53
6. Step 6: Final answer
   x = 5,335.23