Finding the Fourth Proportional to 22,089.74, 30,492.72 and 15,020.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,089.74 : 30,492.72 = 15,020.46 : x
2. Step 2: Convert to fraction form
   22,089.74/30,492.72 = 15,020.46/x
3. Step 3: Cross multiply
   22,089.74x = 30,492.72 × 15,020.46
4. Step 4: Simplify right side
   22,089.74x = 458,014,681.05
5. Step 5: Solve for x
   x = 458,014,681.05/22,089.74
6. Step 6: Final answer
   x = 20,734.28