Finding the Fourth Proportional to 2,306.02, 3,458.52 and 919.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,306.02 : 3,458.52 = 919.10 : x
2. Step 2: Convert to fraction form
   2,306.02/3,458.52 = 919.10/x
3. Step 3: Cross multiply
   2,306.02x = 3,458.52 × 919.10
4. Step 4: Simplify right side
   2,306.02x = 3,178,725.73
5. Step 5: Solve for x
   x = 3,178,725.73/2,306.02
6. Step 6: Final answer
   x = 1,378.45