Finding the Fourth Proportional to 3,784.56, 5,214.17 and 2,838.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,784.56 : 5,214.17 = 2,838.89 : x
2. Step 2: Convert to fraction form
   3,784.56/5,214.17 = 2,838.89/x
3. Step 3: Cross multiply
   3,784.56x = 5,214.17 × 2,838.89
4. Step 4: Simplify right side
   3,784.56x = 14,802,429.00
5. Step 5: Solve for x
   x = 14,802,429.00/3,784.56
6. Step 6: Final answer
   x = 3,911.27