Finding the Fourth Proportional to 2,798.34, 4,195.86 and 948.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,798.34 : 4,195.86 = 948.96 : x
2. Step 2: Convert to fraction form
   2,798.34/4,195.86 = 948.96/x
3. Step 3: Cross multiply
   2,798.34x = 4,195.86 × 948.96
4. Step 4: Simplify right side
   2,798.34x = 3,981,703.31
5. Step 5: Solve for x
   x = 3,981,703.31/2,798.34
6. Step 6: Final answer
   x = 1,422.88