Finding the Fourth Proportional to 2,697.20, 4,046.78 and 942.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,697.20 : 4,046.78 = 942.47 : x
2. Step 2: Convert to fraction form
   2,697.20/4,046.78 = 942.47/x
3. Step 3: Cross multiply
   2,697.20x = 4,046.78 × 942.47
4. Step 4: Simplify right side
   2,697.20x = 3,813,966.04
5. Step 5: Solve for x
   x = 3,813,966.04/2,697.20
6. Step 6: Final answer
   x = 1,414.04