Finding the Fourth Proportional to 22,738.53, 34,109.61 and 7,947.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,738.53 : 34,109.61 = 7,947.12 : x
2. Step 2: Convert to fraction form
   22,738.53/34,109.61 = 7,947.12/x
3. Step 3: Cross multiply
   22,738.53x = 34,109.61 × 7,947.12
4. Step 4: Simplify right side
   22,738.53x = 271,073,163.82
5. Step 5: Solve for x
   x = 271,073,163.82/22,738.53
6. Step 6: Final answer
   x = 11,921.31