Finding the Fourth Proportional to 2,933.91, 4,394.42 and 2,772.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.91 : 4,394.42 = 2,772.17 : x
2. Step 2: Convert to fraction form
   2,933.91/4,394.42 = 2,772.17/x
3. Step 3: Cross multiply
   2,933.91x = 4,394.42 × 2,772.17
4. Step 4: Simplify right side
   2,933.91x = 12,182,043.46
5. Step 5: Solve for x
   x = 12,182,043.46/2,933.91
6. Step 6: Final answer
   x = 4,152.15