Finding the Fourth Proportional to 2,061.38, 3,091.05 and 1,020.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.38 : 3,091.05 = 1,020.17 : x
2. Step 2: Convert to fraction form
   2,061.38/3,091.05 = 1,020.17/x
3. Step 3: Cross multiply
   2,061.38x = 3,091.05 × 1,020.17
4. Step 4: Simplify right side
   2,061.38x = 3,153,404.21
5. Step 5: Solve for x
   x = 3,153,404.21/2,061.38
6. Step 6: Final answer
   x = 1,529.75