Finding the Fourth Proportional to 2,090.92, 2,885.34 and 1,159.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.92 : 2,885.34 = 1,159.42 : x
2. Step 2: Convert to fraction form
   2,090.92/2,885.34 = 1,159.42/x
3. Step 3: Cross multiply
   2,090.92x = 2,885.34 × 1,159.42
4. Step 4: Simplify right side
   2,090.92x = 3,345,320.90
5. Step 5: Solve for x
   x = 3,345,320.90/2,090.92
6. Step 6: Final answer
   x = 1,599.93