Finding the Fourth Proportional to 1,155.72, 1,595.28 and 735.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.72 : 1,595.28 = 735.92 : x
2. Step 2: Convert to fraction form
   1,155.72/1,595.28 = 735.92/x
3. Step 3: Cross multiply
   1,155.72x = 1,595.28 × 735.92
4. Step 4: Simplify right side
   1,155.72x = 1,173,998.46
5. Step 5: Solve for x
   x = 1,173,998.46/1,155.72
6. Step 6: Final answer
   x = 1,015.82