Finding the Fourth Proportional to 2,012.55, 3,019.69 and 1,088.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.55 : 3,019.69 = 1,088.76 : x
2. Step 2: Convert to fraction form
   2,012.55/3,019.69 = 1,088.76/x
3. Step 3: Cross multiply
   2,012.55x = 3,019.69 × 1,088.76
4. Step 4: Simplify right side
   2,012.55x = 3,287,707.72
5. Step 5: Solve for x
   x = 3,287,707.72/2,012.55
6. Step 6: Final answer
   x = 1,633.60