Finding the Fourth Proportional to 2,882.89, 3,978.06 and 1,764.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,882.89 : 3,978.06 = 1,764.48 : x
2. Step 2: Convert to fraction form
   2,882.89/3,978.06 = 1,764.48/x
3. Step 3: Cross multiply
   2,882.89x = 3,978.06 × 1,764.48
4. Step 4: Simplify right side
   2,882.89x = 7,019,225.53
5. Step 5: Solve for x
   x = 7,019,225.53/2,882.89
6. Step 6: Final answer
   x = 2,434.79