Finding the Fourth Proportional to 22,710.38, 34,067.01 and 7,128.62

Step by Step Solution

1. Step 1: Write the proportion equation
   22,710.38 : 34,067.01 = 7,128.62 : x
2. Step 2: Convert to fraction form
   22,710.38/34,067.01 = 7,128.62/x
3. Step 3: Cross multiply
   22,710.38x = 34,067.01 × 7,128.62
4. Step 4: Simplify right side
   22,710.38x = 242,850,768.83
5. Step 5: Solve for x
   x = 242,850,768.83/22,710.38
6. Step 6: Final answer
   x = 10,693.38