Finding the Fourth Proportional to 2,191.91, 3,284.98 and 892.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.91 : 3,284.98 = 892.67 : x
2. Step 2: Convert to fraction form
   2,191.91/3,284.98 = 892.67/x
3. Step 3: Cross multiply
   2,191.91x = 3,284.98 × 892.67
4. Step 4: Simplify right side
   2,191.91x = 2,932,403.10
5. Step 5: Solve for x
   x = 2,932,403.10/2,191.91
6. Step 6: Final answer
   x = 1,337.83