Finding the Fourth Proportional to 2,846.72, 3,934.56 and 2,146.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,846.72 : 3,934.56 = 2,146.88 : x
2. Step 2: Convert to fraction form
   2,846.72/3,934.56 = 2,146.88/x
3. Step 3: Cross multiply
   2,846.72x = 3,934.56 × 2,146.88
4. Step 4: Simplify right side
   2,846.72x = 8,447,028.17
5. Step 5: Solve for x
   x = 8,447,028.17/2,846.72
6. Step 6: Final answer
   x = 2,967.28