Finding the Fourth Proportional to 7,298.94, 10,946.79 and 2,105.22

Step by Step Solution

1. Step 1: Write the proportion equation
   7,298.94 : 10,946.79 = 2,105.22 : x
2. Step 2: Convert to fraction form
   7,298.94/10,946.79 = 2,105.22/x
3. Step 3: Cross multiply
   7,298.94x = 10,946.79 × 2,105.22
4. Step 4: Simplify right side
   7,298.94x = 23,045,401.24
5. Step 5: Solve for x
   x = 23,045,401.24/7,298.94
6. Step 6: Final answer
   x = 3,157.36