Finding the Fourth Proportional to 1,155.98, 1,595.28 and 632

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.98 : 1,595.28 = 632 : x
2. Step 2: Convert to fraction form
   1,155.98/1,595.28 = 632/x
3. Step 3: Cross multiply
   1,155.98x = 1,595.28 × 632
4. Step 4: Simplify right side
   1,155.98x = 1,008,216.96
5. Step 5: Solve for x
   x = 1,008,216.96/1,155.98
6. Step 6: Final answer
   x = 872.18