Finding the Fourth Proportional to 3,932.15, 5,426.72 and 2,254.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,932.15 : 5,426.72 = 2,254.10 : x
2. Step 2: Convert to fraction form
   3,932.15/5,426.72 = 2,254.10/x
3. Step 3: Cross multiply
   3,932.15x = 5,426.72 × 2,254.10
4. Step 4: Simplify right side
   3,932.15x = 12,232,388.75
5. Step 5: Solve for x
   x = 12,232,388.75/3,932.15
6. Step 6: Final answer
   x = 3,110.86