Finding the Fourth Proportional to 1,156.78, 1,596.36 and 632.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.78 : 1,596.36 = 632.82 : x
2. Step 2: Convert to fraction form
   1,156.78/1,596.36 = 632.82/x
3. Step 3: Cross multiply
   1,156.78x = 1,596.36 × 632.82
4. Step 4: Simplify right side
   1,156.78x = 1,010,208.54
5. Step 5: Solve for x
   x = 1,010,208.54/1,156.78
6. Step 6: Final answer
   x = 873.29