Finding the Fourth Proportional to 1,155.96, 1,595.23 and 632.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.96 : 1,595.23 = 632.03 : x
2. Step 2: Convert to fraction form
   1,155.96/1,595.23 = 632.03/x
3. Step 3: Cross multiply
   1,155.96x = 1,595.23 × 632.03
4. Step 4: Simplify right side
   1,155.96x = 1,008,223.66
5. Step 5: Solve for x
   x = 1,008,223.66/1,155.96
6. Step 6: Final answer
   x = 872.20