Finding the Fourth Proportional to 2,956.12, 4,075.98 and 2,208.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,956.12 : 4,075.98 = 2,208.76 : x
2. Step 2: Convert to fraction form
   2,956.12/4,075.98 = 2,208.76/x
3. Step 3: Cross multiply
   2,956.12x = 4,075.98 × 2,208.76
4. Step 4: Simplify right side
   2,956.12x = 9,002,861.58
5. Step 5: Solve for x
   x = 9,002,861.58/2,956.12
6. Step 6: Final answer
   x = 3,045.50