Finding the Fourth Proportional to 2,090.84, 2,885.36 and 1,159.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.84 : 2,885.36 = 1,159.34 : x
2. Step 2: Convert to fraction form
   2,090.84/2,885.36 = 1,159.34/x
3. Step 3: Cross multiply
   2,090.84x = 2,885.36 × 1,159.34
4. Step 4: Simplify right side
   2,090.84x = 3,345,093.04
5. Step 5: Solve for x
   x = 3,345,093.04/2,090.84
6. Step 6: Final answer
   x = 1,599.88