Finding the Fourth Proportional to 22,092.72, 30,485.88 and 15,025.20

Step by Step Solution

1. Step 1: Write the proportion equation
   22,092.72 : 30,485.88 = 15,025.20 : x
2. Step 2: Convert to fraction form
   22,092.72/30,485.88 = 15,025.20/x
3. Step 3: Cross multiply
   22,092.72x = 30,485.88 × 15,025.20
4. Step 4: Simplify right side
   22,092.72x = 458,056,444.18
5. Step 5: Solve for x
   x = 458,056,444.18/22,092.72
6. Step 6: Final answer
   x = 20,733.37