Finding the Fourth Proportional to 2,494.80, 3,443.40 and 1,551.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494.80 : 3,443.40 = 1,551.12 : x
2. Step 2: Convert to fraction form
   2,494.80/3,443.40 = 1,551.12/x
3. Step 3: Cross multiply
   2,494.80x = 3,443.40 × 1,551.12
4. Step 4: Simplify right side
   2,494.80x = 5,341,126.61
5. Step 5: Solve for x
   x = 5,341,126.61/2,494.80
6. Step 6: Final answer
   x = 2,140.90