Finding the Fourth Proportional to 2,834.89, 4,233.22 and 2,315.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.89 : 4,233.22 = 2,315.91 : x
2. Step 2: Convert to fraction form
   2,834.89/4,233.22 = 2,315.91/x
3. Step 3: Cross multiply
   2,834.89x = 4,233.22 × 2,315.91
4. Step 4: Simplify right side
   2,834.89x = 9,803,756.53
5. Step 5: Solve for x
   x = 9,803,756.53/2,834.89
6. Step 6: Final answer
   x = 3,458.25