Finding the Fourth Proportional to 3,849.39, 5,312.52 and 2,277.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,849.39 : 5,312.52 = 2,277.72 : x
2. Step 2: Convert to fraction form
   3,849.39/5,312.52 = 2,277.72/x
3. Step 3: Cross multiply
   3,849.39x = 5,312.52 × 2,277.72
4. Step 4: Simplify right side
   3,849.39x = 12,100,433.05
5. Step 5: Solve for x
   x = 12,100,433.05/3,849.39
6. Step 6: Final answer
   x = 3,143.47