Finding the Fourth Proportional to 22,002.48, 30,362.88 and 12,570.24

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.48 : 30,362.88 = 12,570.24 : x
2. Step 2: Convert to fraction form
   22,002.48/30,362.88 = 12,570.24/x
3. Step 3: Cross multiply
   22,002.48x = 30,362.88 × 12,570.24
4. Step 4: Simplify right side
   22,002.48x = 381,668,688.69
5. Step 5: Solve for x
   x = 381,668,688.69/22,002.48
6. Step 6: Final answer
   x = 17,346.62