Finding the Fourth Proportional to 3,938.00, 5,433.21 and 2,426.13

Step by Step Solution

1. Step 1: Write the proportion equation
   3,938.00 : 5,433.21 = 2,426.13 : x
2. Step 2: Convert to fraction form
   3,938.00/5,433.21 = 2,426.13/x
3. Step 3: Cross multiply
   3,938.00x = 5,433.21 × 2,426.13
4. Step 4: Simplify right side
   3,938.00x = 13,181,673.78
5. Step 5: Solve for x
   x = 13,181,673.78/3,938.00
6. Step 6: Final answer
   x = 3,347.31