Finding the Fourth Proportional to 1,155.46, 1,594.52 and 631.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.46 : 1,594.52 = 631.48 : x
2. Step 2: Convert to fraction form
   1,155.46/1,594.52 = 631.48/x
3. Step 3: Cross multiply
   1,155.46x = 1,594.52 × 631.48
4. Step 4: Simplify right side
   1,155.46x = 1,006,904.33
5. Step 5: Solve for x
   x = 1,006,904.33/1,155.46
6. Step 6: Final answer
   x = 871.43