Finding the Fourth Proportional to 2,080.74, 2,855.24 and 1,892.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,080.74 : 2,855.24 = 1,892.79 : x
2. Step 2: Convert to fraction form
   2,080.74/2,855.24 = 1,892.79/x
3. Step 3: Cross multiply
   2,080.74x = 2,855.24 × 1,892.79
4. Step 4: Simplify right side
   2,080.74x = 5,404,369.72
5. Step 5: Solve for x
   x = 5,404,369.72/2,080.74
6. Step 6: Final answer
   x = 2,597.33