Finding the Fourth Proportional to 2,956.09, 4,434.59 and 876.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956.09 : 4,434.59 = 876.42 : x
2. Step 2: Convert to fraction form
   2,956.09/4,434.59 = 876.42/x
3. Step 3: Cross multiply
   2,956.09x = 4,434.59 × 876.42
4. Step 4: Simplify right side
   2,956.09x = 3,886,554.47
5. Step 5: Solve for x
   x = 3,886,554.47/2,956.09
6. Step 6: Final answer
   x = 1,314.76