Finding the Fourth Proportional to 2,250.42, 3,374.15 and 1,080.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.42 : 3,374.15 = 1,080.39 : x
2. Step 2: Convert to fraction form
   2,250.42/3,374.15 = 1,080.39/x
3. Step 3: Cross multiply
   2,250.42x = 3,374.15 × 1,080.39
4. Step 4: Simplify right side
   2,250.42x = 3,645,397.92
5. Step 5: Solve for x
   x = 3,645,397.92/2,250.42
6. Step 6: Final answer
   x = 1,619.87