Finding the Fourth Proportional to 3,392.71, 5,081.55 and 2,606.93

Step by Step Solution

1. Step 1: Write the proportion equation
   3,392.71 : 5,081.55 = 2,606.93 : x
2. Step 2: Convert to fraction form
   3,392.71/5,081.55 = 2,606.93/x
3. Step 3: Cross multiply
   3,392.71x = 5,081.55 × 2,606.93
4. Step 4: Simplify right side
   3,392.71x = 13,247,233.90
5. Step 5: Solve for x
   x = 13,247,233.90/3,392.71
6. Step 6: Final answer
   x = 3,904.62