Finding the Fourth Proportional to 4,941.56, 7,400.47 and 2,826.78

Step by Step Solution

1. Step 1: Write the proportion equation
   4,941.56 : 7,400.47 = 2,826.78 : x
2. Step 2: Convert to fraction form
   4,941.56/7,400.47 = 2,826.78/x
3. Step 3: Cross multiply
   4,941.56x = 7,400.47 × 2,826.78
4. Step 4: Simplify right side
   4,941.56x = 20,919,493.52
5. Step 5: Solve for x
   x = 20,919,493.52/4,941.56
6. Step 6: Final answer
   x = 4,233.38