Finding the Fourth Proportional to 22,508, 31,067.52 and 15,056

Step by Step Solution

1. Step 1: Write the proportion equation
   22,508 : 31,067.52 = 15,056 : x
2. Step 2: Convert to fraction form
   22,508/31,067.52 = 15,056/x
3. Step 3: Cross multiply
   22,508x = 31,067.52 × 15,056
4. Step 4: Simplify right side
   22,508x = 467,752,581.12
5. Step 5: Solve for x
   x = 467,752,581.12/22,508
6. Step 6: Final answer
   x = 20,781.61