Finding the Fourth Proportional to 2,836.24, 3,911.40 and 1,892.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,836.24 : 3,911.40 = 1,892.56 : x
2. Step 2: Convert to fraction form
   2,836.24/3,911.40 = 1,892.56/x
3. Step 3: Cross multiply
   2,836.24x = 3,911.40 × 1,892.56
4. Step 4: Simplify right side
   2,836.24x = 7,402,559.18
5. Step 5: Solve for x
   x = 7,402,559.18/2,836.24
6. Step 6: Final answer
   x = 2,609.99