Finding the Fourth Proportional to 3,887.72, 5,826.46 and 2,243.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,887.72 : 5,826.46 = 2,243.40 : x
2. Step 2: Convert to fraction form
   3,887.72/5,826.46 = 2,243.40/x
3. Step 3: Cross multiply
   3,887.72x = 5,826.46 × 2,243.40
4. Step 4: Simplify right side
   3,887.72x = 13,071,080.36
5. Step 5: Solve for x
   x = 13,071,080.36/3,887.72
6. Step 6: Final answer
   x = 3,362.15