Finding the Fourth Proportional to 2,797.29, 4,196.46 and 947.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,797.29 : 4,196.46 = 947.91 : x
2. Step 2: Convert to fraction form
   2,797.29/4,196.46 = 947.91/x
3. Step 3: Cross multiply
   2,797.29x = 4,196.46 × 947.91
4. Step 4: Simplify right side
   2,797.29x = 3,977,866.40
5. Step 5: Solve for x
   x = 3,977,866.40/2,797.29
6. Step 6: Final answer
   x = 1,422.04