Finding the Fourth Proportional to 22,707.69, 34,067.31 and 7,125.45

Step by Step Solution

1. Step 1: Write the proportion equation
   22,707.69 : 34,067.31 = 7,125.45 : x
2. Step 2: Convert to fraction form
   22,707.69/34,067.31 = 7,125.45/x
3. Step 3: Cross multiply
   22,707.69x = 34,067.31 × 7,125.45
4. Step 4: Simplify right side
   22,707.69x = 242,744,914.04
5. Step 5: Solve for x
   x = 242,744,914.04/22,707.69
6. Step 6: Final answer
   x = 10,689.99