Finding the Fourth Proportional to 6,906.42, 10,356.42 and 2,225.56

Step by Step Solution

1. Step 1: Write the proportion equation
   6,906.42 : 10,356.42 = 2,225.56 : x
2. Step 2: Convert to fraction form
   6,906.42/10,356.42 = 2,225.56/x
3. Step 3: Cross multiply
   6,906.42x = 10,356.42 × 2,225.56
4. Step 4: Simplify right side
   6,906.42x = 23,048,834.10
5. Step 5: Solve for x
   x = 23,048,834.10/6,906.42
6. Step 6: Final answer
   x = 3,337.31