Finding the Fourth Proportional to 1,156.32, 1,595.76 and 632.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.32 : 1,595.76 = 632.40 : x
2. Step 2: Convert to fraction form
   1,156.32/1,595.76 = 632.40/x
3. Step 3: Cross multiply
   1,156.32x = 1,595.76 × 632.40
4. Step 4: Simplify right side
   1,156.32x = 1,009,158.62
5. Step 5: Solve for x
   x = 1,009,158.62/1,156.32
6. Step 6: Final answer
   x = 872.73