Finding the Fourth Proportional to 2,873.28, 3,962.72 and 1,767.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,873.28 : 3,962.72 = 1,767.36 : x
2. Step 2: Convert to fraction form
   2,873.28/3,962.72 = 1,767.36/x
3. Step 3: Cross multiply
   2,873.28x = 3,962.72 × 1,767.36
4. Step 4: Simplify right side
   2,873.28x = 7,003,552.82
5. Step 5: Solve for x
   x = 7,003,552.82/2,873.28
6. Step 6: Final answer
   x = 2,437.48