Finding the Fourth Proportional to 2,090.09, 2,884.37 and 1,145.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.09 : 2,884.37 = 1,145.88 : x
2. Step 2: Convert to fraction form
   2,090.09/2,884.37 = 1,145.88/x
3. Step 3: Cross multiply
   2,090.09x = 2,884.37 × 1,145.88
4. Step 4: Simplify right side
   2,090.09x = 3,305,136.17
5. Step 5: Solve for x
   x = 3,305,136.17/2,090.09
6. Step 6: Final answer
   x = 1,581.33