Finding the Fourth Proportional to 1,099.29, 1,517.02 and 595.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,099.29 : 1,517.02 = 595.15 : x
2. Step 2: Convert to fraction form
   1,099.29/1,517.02 = 595.15/x
3. Step 3: Cross multiply
   1,099.29x = 1,517.02 × 595.15
4. Step 4: Simplify right side
   1,099.29x = 902,856.10
5. Step 5: Solve for x
   x = 902,856.10/1,099.29
6. Step 6: Final answer
   x = 821.31