Finding the Fourth Proportional to 3,938.03, 5,434.42 and 2,426.26

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.03 : 5,434.42 = 2,426.26 : x
2. Step 2: Convert to fraction form
   3,938.03/5,434.42 = 2,426.26/x
3. Step 3: Cross multiply
   3,938.03x = 5,434.42 × 2,426.26
4. Step 4: Simplify right side
   3,938.03x = 13,185,315.87
5. Step 5: Solve for x
   x = 13,185,315.87/3,938.03
6. Step 6: Final answer
   x = 3,348.20