Finding the Fourth Proportional to 2,996.56, 4,502.04 and 2,830.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,996.56 : 4,502.04 = 2,830.78 : x
2. Step 2: Convert to fraction form
   2,996.56/4,502.04 = 2,830.78/x
3. Step 3: Cross multiply
   2,996.56x = 4,502.04 × 2,830.78
4. Step 4: Simplify right side
   2,996.56x = 12,744,284.79
5. Step 5: Solve for x
   x = 12,744,284.79/2,996.56
6. Step 6: Final answer
   x = 4,252.97