Finding the Fourth Proportional to 1,461.99, 2,017.61 and 798.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.99 : 2,017.61 = 798.88 : x
2. Step 2: Convert to fraction form
   1,461.99/2,017.61 = 798.88/x
3. Step 3: Cross multiply
   1,461.99x = 2,017.61 × 798.88
4. Step 4: Simplify right side
   1,461.99x = 1,611,819.24
5. Step 5: Solve for x
   x = 1,611,819.24/1,461.99
6. Step 6: Final answer
   x = 1,102.48