Finding the Fourth Proportional to 1,155.99, 1,595.22 and 632.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.99 : 1,595.22 = 632.04 : x
2. Step 2: Convert to fraction form
   1,155.99/1,595.22 = 632.04/x
3. Step 3: Cross multiply
   1,155.99x = 1,595.22 × 632.04
4. Step 4: Simplify right side
   1,155.99x = 1,008,242.85
5. Step 5: Solve for x
   x = 1,008,242.85/1,155.99
6. Step 6: Final answer
   x = 872.19