Finding the Fourth Proportional to 1,156.76, 1,596.31 and 632.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.76 : 1,596.31 = 632.78 : x
2. Step 2: Convert to fraction form
   1,156.76/1,596.31 = 632.78/x
3. Step 3: Cross multiply
   1,156.76x = 1,596.31 × 632.78
4. Step 4: Simplify right side
   1,156.76x = 1,010,113.04
5. Step 5: Solve for x
   x = 1,010,113.04/1,156.76
6. Step 6: Final answer
   x = 873.23