Finding the Fourth Proportional to 2,061, 3,091.41 and 1,020.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061 : 3,091.41 = 1,020.60 : x
2. Step 2: Convert to fraction form
   2,061/3,091.41 = 1,020.60/x
3. Step 3: Cross multiply
   2,061x = 3,091.41 × 1,020.60
4. Step 4: Simplify right side
   2,061x = 3,155,093.05
5. Step 5: Solve for x
   x = 3,155,093.05/2,061
6. Step 6: Final answer
   x = 1,530.86