Finding the Fourth Proportional to 2,819.31, 4,226.67 and 1,892.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,819.31 : 4,226.67 = 1,892.04 : x
2. Step 2: Convert to fraction form
   2,819.31/4,226.67 = 1,892.04/x
3. Step 3: Cross multiply
   2,819.31x = 4,226.67 × 1,892.04
4. Step 4: Simplify right side
   2,819.31x = 7,997,028.71
5. Step 5: Solve for x
   x = 7,997,028.71/2,819.31
6. Step 6: Final answer
   x = 2,836.52