Finding the Fourth Proportional to 3,851.94, 5,317.29 and 2,526.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,851.94 : 5,317.29 = 2,526.78 : x
2. Step 2: Convert to fraction form
   3,851.94/5,317.29 = 2,526.78/x
3. Step 3: Cross multiply
   3,851.94x = 5,317.29 × 2,526.78
4. Step 4: Simplify right side
   3,851.94x = 13,435,622.03
5. Step 5: Solve for x
   x = 13,435,622.03/3,851.94
6. Step 6: Final answer
   x = 3,488.01