Finding the Fourth Proportional to 1,156.54, 1,596.02 and 632.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.54 : 1,596.02 = 632.57 : x
2. Step 2: Convert to fraction form
   1,156.54/1,596.02 = 632.57/x
3. Step 3: Cross multiply
   1,156.54x = 1,596.02 × 632.57
4. Step 4: Simplify right side
   1,156.54x = 1,009,589.50
5. Step 5: Solve for x
   x = 1,009,589.50/1,156.54
6. Step 6: Final answer
   x = 872.94