Finding the Fourth Proportional to 22,513.98, 33,749.33 and 15,120.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,513.98 : 33,749.33 = 15,120.50 : x
2. Step 2: Convert to fraction form
   22,513.98/33,749.33 = 15,120.50/x
3. Step 3: Cross multiply
   22,513.98x = 33,749.33 × 15,120.50
4. Step 4: Simplify right side
   22,513.98x = 510,306,744.27
5. Step 5: Solve for x
   x = 510,306,744.27/22,513.98
6. Step 6: Final answer
   x = 22,666.22