Finding the Fourth Proportional to 2,740.86, 4,111.86 and 892.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.86 : 4,111.86 = 892.02 : x
2. Step 2: Convert to fraction form
   2,740.86/4,111.86 = 892.02/x
3. Step 3: Cross multiply
   2,740.86x = 4,111.86 × 892.02
4. Step 4: Simplify right side
   2,740.86x = 3,667,861.36
5. Step 5: Solve for x
   x = 3,667,861.36/2,740.86
6. Step 6: Final answer
   x = 1,338.22