Finding the Fourth Proportional to 5,637.96, 8,443.98 and 3,687.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,637.96 : 8,443.98 = 3,687.48 : x
2. Step 2: Convert to fraction form
   5,637.96/8,443.98 = 3,687.48/x
3. Step 3: Cross multiply
   5,637.96x = 8,443.98 × 3,687.48
4. Step 4: Simplify right side
   5,637.96x = 31,137,007.37
5. Step 5: Solve for x
   x = 31,137,007.37/5,637.96
6. Step 6: Final answer
   x = 5,522.74