Finding the Fourth Proportional to 2,797.30, 4,196.58 and 948.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.30 : 4,196.58 = 948.30 : x
2. Step 2: Convert to fraction form
   2,797.30/4,196.58 = 948.30/x
3. Step 3: Cross multiply
   2,797.30x = 4,196.58 × 948.30
4. Step 4: Simplify right side
   2,797.30x = 3,979,616.81
5. Step 5: Solve for x
   x = 3,979,616.81/2,797.30
6. Step 6: Final answer
   x = 1,422.66