Finding the Fourth Proportional to 4,085.45, 5,637.72 and 2,317.63

Step by Step Solution

1. Step 1: Write the proportion equation
   4,085.45 : 5,637.72 = 2,317.63 : x
2. Step 2: Convert to fraction form
   4,085.45/5,637.72 = 2,317.63/x
3. Step 3: Cross multiply
   4,085.45x = 5,637.72 × 2,317.63
4. Step 4: Simplify right side
   4,085.45x = 13,066,141.13
5. Step 5: Solve for x
   x = 13,066,141.13/4,085.45
6. Step 6: Final answer
   x = 3,198.21