Finding the Fourth Proportional to 2,724.08, 4,086.73 and 992.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.08 : 4,086.73 = 992.69 : x
2. Step 2: Convert to fraction form
   2,724.08/4,086.73 = 992.69/x
3. Step 3: Cross multiply
   2,724.08x = 4,086.73 × 992.69
4. Step 4: Simplify right side
   2,724.08x = 4,056,856.00
5. Step 5: Solve for x
   x = 4,056,856.00/2,724.08
6. Step 6: Final answer
   x = 1,489.26