Finding the Fourth Proportional to 1,892.18, 2,833.68 and 1,408.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.18 : 2,833.68 = 1,408.34 : x
2. Step 2: Convert to fraction form
   1,892.18/2,833.68 = 1,408.34/x
3. Step 3: Cross multiply
   1,892.18x = 2,833.68 × 1,408.34
4. Step 4: Simplify right side
   1,892.18x = 3,990,784.89
5. Step 5: Solve for x
   x = 3,990,784.89/1,892.18
6. Step 6: Final answer
   x = 2,109.09