Finding the Fourth Proportional to 3,900.08, 5,383.32 and 2,502.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,900.08 : 5,383.32 = 2,502.56 : x
2. Step 2: Convert to fraction form
   3,900.08/5,383.32 = 2,502.56/x
3. Step 3: Cross multiply
   3,900.08x = 5,383.32 × 2,502.56
4. Step 4: Simplify right side
   3,900.08x = 13,472,081.30
5. Step 5: Solve for x
   x = 13,472,081.30/3,900.08
6. Step 6: Final answer
   x = 3,454.31