Finding the Fourth Proportional to 12,260.61, 18,391.52 and 3,496.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,260.61 : 18,391.52 = 3,496.82 : x
2. Step 2: Convert to fraction form
   12,260.61/18,391.52 = 3,496.82/x
3. Step 3: Cross multiply
   12,260.61x = 18,391.52 × 3,496.82
4. Step 4: Simplify right side
   12,260.61x = 64,311,751.75
5. Step 5: Solve for x
   x = 64,311,751.75/12,260.61
6. Step 6: Final answer
   x = 5,245.40