Finding the Fourth Proportional to 1,382.06, 2,073.86 and 1,074.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.06 : 2,073.86 = 1,074.53 : x
2. Step 2: Convert to fraction form
   1,382.06/2,073.86 = 1,074.53/x
3. Step 3: Cross multiply
   1,382.06x = 2,073.86 × 1,074.53
4. Step 4: Simplify right side
   1,382.06x = 2,228,409.04
5. Step 5: Solve for x
   x = 2,228,409.04/1,382.06
6. Step 6: Final answer
   x = 1,612.39