Finding the Fourth Proportional to 1,631.56, 2,446.71 and 798.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.56 : 2,446.71 = 798.10 : x
2. Step 2: Convert to fraction form
   1,631.56/2,446.71 = 798.10/x
3. Step 3: Cross multiply
   1,631.56x = 2,446.71 × 798.10
4. Step 4: Simplify right side
   1,631.56x = 1,952,723.90
5. Step 5: Solve for x
   x = 1,952,723.90/1,631.56
6. Step 6: Final answer
   x = 1,196.85