Finding the Fourth Proportional to 2,298.36, 3,447.24 and 912.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.36 : 3,447.24 = 912.05 : x
2. Step 2: Convert to fraction form
   2,298.36/3,447.24 = 912.05/x
3. Step 3: Cross multiply
   2,298.36x = 3,447.24 × 912.05
4. Step 4: Simplify right side
   2,298.36x = 3,144,055.24
5. Step 5: Solve for x
   x = 3,144,055.24/2,298.36
6. Step 6: Final answer
   x = 1,367.96