Finding the Fourth Proportional to 22,961.72, 34,441.34 and 7,378.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,961.72 : 34,441.34 = 7,378.12 : x
2. Step 2: Convert to fraction form
   22,961.72/34,441.34 = 7,378.12/x
3. Step 3: Cross multiply
   22,961.72x = 34,441.34 × 7,378.12
4. Step 4: Simplify right side
   22,961.72x = 254,112,339.48
5. Step 5: Solve for x
   x = 254,112,339.48/22,961.72
6. Step 6: Final answer
   x = 11,066.78