Finding the Fourth Proportional to 2,626.22, 3,938.18 and 1,393.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,626.22 : 3,938.18 = 1,393.35 : x
2. Step 2: Convert to fraction form
   2,626.22/3,938.18 = 1,393.35/x
3. Step 3: Cross multiply
   2,626.22x = 3,938.18 × 1,393.35
4. Step 4: Simplify right side
   2,626.22x = 5,487,256.14
5. Step 5: Solve for x
   x = 5,487,256.14/2,626.22
6. Step 6: Final answer
   x = 2,089.42