Finding the Fourth Proportional to 2,090.10, 3,136.37 and 1,165.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.10 : 3,136.37 = 1,165.56 : x
2. Step 2: Convert to fraction form
   2,090.10/3,136.37 = 1,165.56/x
3. Step 3: Cross multiply
   2,090.10x = 3,136.37 × 1,165.56
4. Step 4: Simplify right side
   2,090.10x = 3,655,642.85
5. Step 5: Solve for x
   x = 3,655,642.85/2,090.10
6. Step 6: Final answer
   x = 1,749.02