Finding the Fourth Proportional to 2,065.14, 3,091.23 and 1,088.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,065.14 : 3,091.23 = 1,088.28 : x
2. Step 2: Convert to fraction form
   2,065.14/3,091.23 = 1,088.28/x
3. Step 3: Cross multiply
   2,065.14x = 3,091.23 × 1,088.28
4. Step 4: Simplify right side
   2,065.14x = 3,364,123.78
5. Step 5: Solve for x
   x = 3,364,123.78/2,065.14
6. Step 6: Final answer
   x = 1,629.01