Finding the Fourth Proportional to 2,727.72, 4,092.23 and 879.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,727.72 : 4,092.23 = 879.01 : x
2. Step 2: Convert to fraction form
   2,727.72/4,092.23 = 879.01/x
3. Step 3: Cross multiply
   2,727.72x = 4,092.23 × 879.01
4. Step 4: Simplify right side
   2,727.72x = 3,597,088.43
5. Step 5: Solve for x
   x = 3,597,088.43/2,727.72
6. Step 6: Final answer
   x = 1,318.72