Finding the Fourth Proportional to 2,834.01, 3,901.23 and 2,458.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,834.01 : 3,901.23 = 2,458.78 : x
2. Step 2: Convert to fraction form
   2,834.01/3,901.23 = 2,458.78/x
3. Step 3: Cross multiply
   2,834.01x = 3,901.23 × 2,458.78
4. Step 4: Simplify right side
   2,834.01x = 9,592,256.55
5. Step 5: Solve for x
   x = 9,592,256.55/2,834.01
6. Step 6: Final answer
   x = 3,384.69