Finding the Fourth Proportional to 2,933.01, 4,391.28 and 2,150.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,933.01 : 4,391.28 = 2,150.55 : x
2. Step 2: Convert to fraction form
   2,933.01/4,391.28 = 2,150.55/x
3. Step 3: Cross multiply
   2,933.01x = 4,391.28 × 2,150.55
4. Step 4: Simplify right side
   2,933.01x = 9,443,667.20
5. Step 5: Solve for x
   x = 9,443,667.20/2,933.01
6. Step 6: Final answer
   x = 3,219.79