Finding the Fourth Proportional to 2,784.42, 4,176.61 and 2,233.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.42 : 4,176.61 = 2,233.89 : x
2. Step 2: Convert to fraction form
   2,784.42/4,176.61 = 2,233.89/x
3. Step 3: Cross multiply
   2,784.42x = 4,176.61 × 2,233.89
4. Step 4: Simplify right side
   2,784.42x = 9,330,087.31
5. Step 5: Solve for x
   x = 9,330,087.31/2,784.42
6. Step 6: Final answer
   x = 3,350.82