Finding the Fourth Proportional to 3,392.96, 5,081.92 and 2,607.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.96 : 5,081.92 = 2,607.18 : x
2. Step 2: Convert to fraction form
   3,392.96/5,081.92 = 2,607.18/x
3. Step 3: Cross multiply
   3,392.96x = 5,081.92 × 2,607.18
4. Step 4: Simplify right side
   3,392.96x = 13,249,486.70
5. Step 5: Solve for x
   x = 13,249,486.70/3,392.96
6. Step 6: Final answer
   x = 3,904.99