Finding the Fourth Proportional to 1,155.18, 1,595.31 and 735.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.18 : 1,595.31 = 735.72 : x
2. Step 2: Convert to fraction form
   1,155.18/1,595.31 = 735.72/x
3. Step 3: Cross multiply
   1,155.18x = 1,595.31 × 735.72
4. Step 4: Simplify right side
   1,155.18x = 1,173,705.15
5. Step 5: Solve for x
   x = 1,173,705.15/1,155.18
6. Step 6: Final answer
   x = 1,016.04