Finding the Fourth Proportional to 2,298.10, 3,424.02 and 2,275.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.10 : 3,424.02 = 2,275.05 : x
2. Step 2: Convert to fraction form
   2,298.10/3,424.02 = 2,275.05/x
3. Step 3: Cross multiply
   2,298.10x = 3,424.02 × 2,275.05
4. Step 4: Simplify right side
   2,298.10x = 7,789,819.36
5. Step 5: Solve for x
   x = 7,789,819.36/2,298.10
6. Step 6: Final answer
   x = 3,389.68