Finding the Fourth Proportional to 12,254.57, 18,382.46 and 3,490.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,254.57 : 18,382.46 = 3,490.10 : x
2. Step 2: Convert to fraction form
   12,254.57/18,382.46 = 3,490.10/x
3. Step 3: Cross multiply
   12,254.57x = 18,382.46 × 3,490.10
4. Step 4: Simplify right side
   12,254.57x = 64,156,514.28
5. Step 5: Solve for x
   x = 64,156,514.28/12,254.57
6. Step 6: Final answer
   x = 5,235.32