Finding the Fourth Proportional to 1,902.42, 2,854.17 and 1,382.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,902.42 : 2,854.17 = 1,382.94 : x
2. Step 2: Convert to fraction form
   1,902.42/2,854.17 = 1,382.94/x
3. Step 3: Cross multiply
   1,902.42x = 2,854.17 × 1,382.94
4. Step 4: Simplify right side
   1,902.42x = 3,947,145.86
5. Step 5: Solve for x
   x = 3,947,145.86/1,902.42
6. Step 6: Final answer
   x = 2,074.80