Finding the Fourth Proportional to 1,451.39, 2,002.36 and 1,074.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.39 : 2,002.36 = 1,074.18 : x
2. Step 2: Convert to fraction form
   1,451.39/2,002.36 = 1,074.18/x
3. Step 3: Cross multiply
   1,451.39x = 2,002.36 × 1,074.18
4. Step 4: Simplify right side
   1,451.39x = 2,150,895.06
5. Step 5: Solve for x
   x = 2,150,895.06/1,451.39
6. Step 6: Final answer
   x = 1,481.96