Finding the Fourth Proportional to 3,890.76, 5,838.56 and 2,834.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,890.76 : 5,838.56 = 2,834.62 : x
2. Step 2: Convert to fraction form
   3,890.76/5,838.56 = 2,834.62/x
3. Step 3: Cross multiply
   3,890.76x = 5,838.56 × 2,834.62
4. Step 4: Simplify right side
   3,890.76x = 16,550,098.95
5. Step 5: Solve for x
   x = 16,550,098.95/3,890.76
6. Step 6: Final answer
   x = 4,253.69