Finding the Fourth Proportional to 3,943.52, 5,442.72 and 2,371.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.52 : 5,442.72 = 2,371.76 : x
2. Step 2: Convert to fraction form
   3,943.52/5,442.72 = 2,371.76/x
3. Step 3: Cross multiply
   3,943.52x = 5,442.72 × 2,371.76
4. Step 4: Simplify right side
   3,943.52x = 12,908,825.59
5. Step 5: Solve for x
   x = 12,908,825.59/3,943.52
6. Step 6: Final answer
   x = 3,273.43