Finding the Fourth Proportional to 1,100.32, 1,650.56 and 885.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.32 : 1,650.56 = 885.12 : x
2. Step 2: Convert to fraction form
   1,100.32/1,650.56 = 885.12/x
3. Step 3: Cross multiply
   1,100.32x = 1,650.56 × 885.12
4. Step 4: Simplify right side
   1,100.32x = 1,460,943.67
5. Step 5: Solve for x
   x = 1,460,943.67/1,100.32
6. Step 6: Final answer
   x = 1,327.74