Finding the Fourth Proportional to 2,061.72, 3,090.96 and 1,073.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.72 : 3,090.96 = 1,073.39 : x
2. Step 2: Convert to fraction form
   2,061.72/3,090.96 = 1,073.39/x
3. Step 3: Cross multiply
   2,061.72x = 3,090.96 × 1,073.39
4. Step 4: Simplify right side
   2,061.72x = 3,317,790.10
5. Step 5: Solve for x
   x = 3,317,790.10/2,061.72
6. Step 6: Final answer
   x = 1,609.23