Finding the Fourth Proportional to 3,704.78, 5,111.16 and 2,446.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,704.78 : 5,111.16 = 2,446.40 : x
2. Step 2: Convert to fraction form
   3,704.78/5,111.16 = 2,446.40/x
3. Step 3: Cross multiply
   3,704.78x = 5,111.16 × 2,446.40
4. Step 4: Simplify right side
   3,704.78x = 12,503,941.82
5. Step 5: Solve for x
   x = 12,503,941.82/3,704.78
6. Step 6: Final answer
   x = 3,375.08