Finding the Fourth Proportional to 2,724.84, 4,084.76 and 992.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,724.84 : 4,084.76 = 992.25 : x
2. Step 2: Convert to fraction form
   2,724.84/4,084.76 = 992.25/x
3. Step 3: Cross multiply
   2,724.84x = 4,084.76 × 992.25
4. Step 4: Simplify right side
   2,724.84x = 4,053,105.59
5. Step 5: Solve for x
   x = 4,053,105.59/2,724.84
6. Step 6: Final answer
   x = 1,487.47