Finding the Fourth Proportional to 22,223.38, 30,668.18 and 13,276.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,223.38 : 30,668.18 = 13,276.12 : x
2. Step 2: Convert to fraction form
   22,223.38/30,668.18 = 13,276.12/x
3. Step 3: Cross multiply
   22,223.38x = 30,668.18 × 13,276.12
4. Step 4: Simplify right side
   22,223.38x = 407,154,437.86
5. Step 5: Solve for x
   x = 407,154,437.86/22,223.38
6. Step 6: Final answer
   x = 18,321.00