Finding the Fourth Proportional to 2,632.50, 3,948.84 and 876.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.50 : 3,948.84 = 876.96 : x
2. Step 2: Convert to fraction form
   2,632.50/3,948.84 = 876.96/x
3. Step 3: Cross multiply
   2,632.50x = 3,948.84 × 876.96
4. Step 4: Simplify right side
   2,632.50x = 3,462,974.73
5. Step 5: Solve for x
   x = 3,462,974.73/2,632.50
6. Step 6: Final answer
   x = 1,315.47