Finding the Fourth Proportional to 3,941.60, 5,442.88 and 2,546.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,941.60 : 5,442.88 = 2,546.72 : x
2. Step 2: Convert to fraction form
   3,941.60/5,442.88 = 2,546.72/x
3. Step 3: Cross multiply
   3,941.60x = 5,442.88 × 2,546.72
4. Step 4: Simplify right side
   3,941.60x = 13,861,491.35
5. Step 5: Solve for x
   x = 13,861,491.35/3,941.60
6. Step 6: Final answer
   x = 3,516.72