Finding the Fourth Proportional to 2,632.41, 3,947.29 and 876.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.41 : 3,947.29 = 876.79 : x
2. Step 2: Convert to fraction form
   2,632.41/3,947.29 = 876.79/x
3. Step 3: Cross multiply
   2,632.41x = 3,947.29 × 876.79
4. Step 4: Simplify right side
   2,632.41x = 3,460,947.14
5. Step 5: Solve for x
   x = 3,460,947.14/2,632.41
6. Step 6: Final answer
   x = 1,314.75