Finding the Fourth Proportional to 2,838.28, 4,253.72 and 1,192.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,838.28 : 4,253.72 = 1,192.56 : x
2. Step 2: Convert to fraction form
   2,838.28/4,253.72 = 1,192.56/x
3. Step 3: Cross multiply
   2,838.28x = 4,253.72 × 1,192.56
4. Step 4: Simplify right side
   2,838.28x = 5,072,816.32
5. Step 5: Solve for x
   x = 5,072,816.32/2,838.28
6. Step 6: Final answer
   x = 1,787.29