Finding the Fourth Proportional to 2,191.41, 3,284.24 and 892.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.41 : 3,284.24 = 892.17 : x
2. Step 2: Convert to fraction form
   2,191.41/3,284.24 = 892.17/x
3. Step 3: Cross multiply
   2,191.41x = 3,284.24 × 892.17
4. Step 4: Simplify right side
   2,191.41x = 2,930,095.94
5. Step 5: Solve for x
   x = 2,930,095.94/2,191.41
6. Step 6: Final answer
   x = 1,337.08