Finding the Fourth Proportional to 2,424.50, 3,637.29 and 885.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.50 : 3,637.29 = 885.50 : x
2. Step 2: Convert to fraction form
   2,424.50/3,637.29 = 885.50/x
3. Step 3: Cross multiply
   2,424.50x = 3,637.29 × 885.50
4. Step 4: Simplify right side
   2,424.50x = 3,220,820.30
5. Step 5: Solve for x
   x = 3,220,820.30/2,424.50
6. Step 6: Final answer
   x = 1,328.45