Finding the Fourth Proportional to 22,972.31, 34,458.43 and 7,178.69

Step by Step Solution

1. Step 1: Write the proportion equation
   22,972.31 : 34,458.43 = 7,178.69 : x
2. Step 2: Convert to fraction form
   22,972.31/34,458.43 = 7,178.69/x
3. Step 3: Cross multiply
   22,972.31x = 34,458.43 × 7,178.69
4. Step 4: Simplify right side
   22,972.31x = 247,366,468.52
5. Step 5: Solve for x
   x = 247,366,468.52/22,972.31
6. Step 6: Final answer
   x = 10,768.03