Finding the Fourth Proportional to 1,298.83, 1,949.16 and 568.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298.83 : 1,949.16 = 568.63 : x
2. Step 2: Convert to fraction form
   1,298.83/1,949.16 = 568.63/x
3. Step 3: Cross multiply
   1,298.83x = 1,949.16 × 568.63
4. Step 4: Simplify right side
   1,298.83x = 1,108,350.85
5. Step 5: Solve for x
   x = 1,108,350.85/1,298.83
6. Step 6: Final answer
   x = 853.35