Finding the Fourth Proportional to 2,886.48, 3,983.72 and 1,767.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.48 : 3,983.72 = 1,767.56 : x
2. Step 2: Convert to fraction form
   2,886.48/3,983.72 = 1,767.56/x
3. Step 3: Cross multiply
   2,886.48x = 3,983.72 × 1,767.56
4. Step 4: Simplify right side
   2,886.48x = 7,041,435.37
5. Step 5: Solve for x
   x = 7,041,435.37/2,886.48
6. Step 6: Final answer
   x = 2,439.45