Finding the Fourth Proportional to 1,382.76, 2,074.56 and 942.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.76 : 2,074.56 = 942.96 : x
2. Step 2: Convert to fraction form
   1,382.76/2,074.56 = 942.96/x
3. Step 3: Cross multiply
   1,382.76x = 2,074.56 × 942.96
4. Step 4: Simplify right side
   1,382.76x = 1,956,227.10
5. Step 5: Solve for x
   x = 1,956,227.10/1,382.76
6. Step 6: Final answer
   x = 1,414.73