Finding the Fourth Proportional to 2,886.12, 3,981.06 and 1,767.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,886.12 : 3,981.06 = 1,767.48 : x
2. Step 2: Convert to fraction form
   2,886.12/3,981.06 = 1,767.48/x
3. Step 3: Cross multiply
   2,886.12x = 3,981.06 × 1,767.48
4. Step 4: Simplify right side
   2,886.12x = 7,036,443.93
5. Step 5: Solve for x
   x = 7,036,443.93/2,886.12
6. Step 6: Final answer
   x = 2,438.03