Finding the Fourth Proportional to 3,401.02, 4,692.32 and 2,074.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,401.02 : 4,692.32 = 2,074.78 : x
2. Step 2: Convert to fraction form
   3,401.02/4,692.32 = 2,074.78/x
3. Step 3: Cross multiply
   3,401.02x = 4,692.32 × 2,074.78
4. Step 4: Simplify right side
   3,401.02x = 9,735,531.69
5. Step 5: Solve for x
   x = 9,735,531.69/3,401.02
6. Step 6: Final answer
   x = 2,862.53