Finding the Fourth Proportional to 2,641.91, 3,637.52 and 2,242.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.91 : 3,637.52 = 2,242.73 : x
2. Step 2: Convert to fraction form
   2,641.91/3,637.52 = 2,242.73/x
3. Step 3: Cross multiply
   2,641.91x = 3,637.52 × 2,242.73
4. Step 4: Simplify right side
   2,641.91x = 8,157,964.02
5. Step 5: Solve for x
   x = 8,157,964.02/2,641.91
6. Step 6: Final answer
   x = 3,087.91