Finding the Fourth Proportional to 2,090.75, 2,885.18 and 1,159.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.75 : 2,885.18 = 1,159.25 : x
2. Step 2: Convert to fraction form
   2,090.75/2,885.18 = 1,159.25/x
3. Step 3: Cross multiply
   2,090.75x = 2,885.18 × 1,159.25
4. Step 4: Simplify right side
   2,090.75x = 3,344,633.39
5. Step 5: Solve for x
   x = 3,344,633.39/2,090.75
6. Step 6: Final answer
   x = 1,599.73