Finding the Fourth Proportional to 2,956.12, 4,433.98 and 1,312.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956.12 : 4,433.98 = 1,312.76 : x
2. Step 2: Convert to fraction form
   2,956.12/4,433.98 = 1,312.76/x
3. Step 3: Cross multiply
   2,956.12x = 4,433.98 × 1,312.76
4. Step 4: Simplify right side
   2,956.12x = 5,820,751.58
5. Step 5: Solve for x
   x = 5,820,751.58/2,956.12
6. Step 6: Final answer
   x = 1,969.05