Finding the Fourth Proportional to 2,090.54, 2,885.76 and 1,568.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.54 : 2,885.76 = 1,568.09 : x
2. Step 2: Convert to fraction form
   2,090.54/2,885.76 = 1,568.09/x
3. Step 3: Cross multiply
   2,090.54x = 2,885.76 × 1,568.09
4. Step 4: Simplify right side
   2,090.54x = 4,525,138.61
5. Step 5: Solve for x
   x = 4,525,138.61/2,090.54
6. Step 6: Final answer
   x = 2,164.58