Finding the Fourth Proportional to 12,298.16, 18,444.52 and 3,531.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.16 : 18,444.52 = 3,531.12 : x
2. Step 2: Convert to fraction form
   12,298.16/18,444.52 = 3,531.12/x
3. Step 3: Cross multiply
   12,298.16x = 18,444.52 × 3,531.12
4. Step 4: Simplify right side
   12,298.16x = 65,129,813.46
5. Step 5: Solve for x
   x = 65,129,813.46/12,298.16
6. Step 6: Final answer
   x = 5,295.90