Finding the Fourth Proportional to 2,011.86, 3,019.07 and 1,088.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.86 : 3,019.07 = 1,088.05 : x
2. Step 2: Convert to fraction form
   2,011.86/3,019.07 = 1,088.05/x
3. Step 3: Cross multiply
   2,011.86x = 3,019.07 × 1,088.05
4. Step 4: Simplify right side
   2,011.86x = 3,284,899.11
5. Step 5: Solve for x
   x = 3,284,899.11/2,011.86
6. Step 6: Final answer
   x = 1,632.77