Finding the Fourth Proportional to 2,698.10, 4,042.67 and 942.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,698.10 : 4,042.67 = 942.17 : x
2. Step 2: Convert to fraction form
   2,698.10/4,042.67 = 942.17/x
3. Step 3: Cross multiply
   2,698.10x = 4,042.67 × 942.17
4. Step 4: Simplify right side
   2,698.10x = 3,808,882.39
5. Step 5: Solve for x
   x = 3,808,882.39/2,698.10
6. Step 6: Final answer
   x = 1,411.69