Finding the Fourth Proportional to 12,502.54, 18,762.72 and 9,224.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,502.54 : 18,762.72 = 9,224.20 : x
2. Step 2: Convert to fraction form
   12,502.54/18,762.72 = 9,224.20/x
3. Step 3: Cross multiply
   12,502.54x = 18,762.72 × 9,224.20
4. Step 4: Simplify right side
   12,502.54x = 173,071,081.82
5. Step 5: Solve for x
   x = 173,071,081.82/12,502.54
6. Step 6: Final answer
   x = 13,842.87