Finding the Fourth Proportional to 3,887.72, 5,365.76 and 2,294.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.72 : 5,365.76 = 2,294.27 : x
2. Step 2: Convert to fraction form
   3,887.72/5,365.76 = 2,294.27/x
3. Step 3: Cross multiply
   3,887.72x = 5,365.76 × 2,294.27
4. Step 4: Simplify right side
   3,887.72x = 12,310,484.02
5. Step 5: Solve for x
   x = 12,310,484.02/3,887.72
6. Step 6: Final answer
   x = 3,166.51