Finding the Fourth Proportional to 2,733.72, 4,101.04 and 885.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.72 : 4,101.04 = 885.30 : x
2. Step 2: Convert to fraction form
   2,733.72/4,101.04 = 885.30/x
3. Step 3: Cross multiply
   2,733.72x = 4,101.04 × 885.30
4. Step 4: Simplify right side
   2,733.72x = 3,630,650.71
5. Step 5: Solve for x
   x = 3,630,650.71/2,733.72
6. Step 6: Final answer
   x = 1,328.10