Finding the Fourth Proportional to 3,943.55, 5,442.27 and 2,265.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,943.55 : 5,442.27 = 2,265.02 : x
2. Step 2: Convert to fraction form
   3,943.55/5,442.27 = 2,265.02/x
3. Step 3: Cross multiply
   3,943.55x = 5,442.27 × 2,265.02
4. Step 4: Simplify right side
   3,943.55x = 12,326,864.00
5. Step 5: Solve for x
   x = 12,326,864.00/3,943.55
6. Step 6: Final answer
   x = 3,125.83