Finding the Fourth Proportional to 4,086.54, 5,638.38 and 2,317.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,086.54 : 5,638.38 = 2,317.50 : x
2. Step 2: Convert to fraction form
   4,086.54/5,638.38 = 2,317.50/x
3. Step 3: Cross multiply
   4,086.54x = 5,638.38 × 2,317.50
4. Step 4: Simplify right side
   4,086.54x = 13,066,945.65
5. Step 5: Solve for x
   x = 13,066,945.65/4,086.54
6. Step 6: Final answer
   x = 3,197.56