Finding the Fourth Proportional to 2,296.30, 3,447.15 and 2,280.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,296.30 : 3,447.15 = 2,280.10 : x
2. Step 2: Convert to fraction form
   2,296.30/3,447.15 = 2,280.10/x
3. Step 3: Cross multiply
   2,296.30x = 3,447.15 × 2,280.10
4. Step 4: Simplify right side
   2,296.30x = 7,859,846.72
5. Step 5: Solve for x
   x = 7,859,846.72/2,296.30
6. Step 6: Final answer
   x = 3,422.83