Finding the Fourth Proportional to 3,887.57, 5,365.47 and 2,294.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.57 : 5,365.47 = 2,294.25 : x
2. Step 2: Convert to fraction form
   3,887.57/5,365.47 = 2,294.25/x
3. Step 3: Cross multiply
   3,887.57x = 5,365.47 × 2,294.25
4. Step 4: Simplify right side
   3,887.57x = 12,309,729.55
5. Step 5: Solve for x
   x = 12,309,729.55/3,887.57
6. Step 6: Final answer
   x = 3,166.43