Finding the Fourth Proportional to 22,854.06, 34,249.96 and 13,972.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,854.06 : 34,249.96 = 13,972.50 : x
2. Step 2: Convert to fraction form
   22,854.06/34,249.96 = 13,972.50/x
3. Step 3: Cross multiply
   22,854.06x = 34,249.96 × 13,972.50
4. Step 4: Simplify right side
   22,854.06x = 478,557,371.89
5. Step 5: Solve for x
   x = 478,557,371.89/22,854.06
6. Step 6: Final answer
   x = 20,939.71