Finding the Fourth Proportional to 22,707.18, 31,323.12 and 13,630.22

Step by Step Solution

1. Step 1: Write the proportion equation
   22,707.18 : 31,323.12 = 13,630.22 : x
2. Step 2: Convert to fraction form
   22,707.18/31,323.12 = 13,630.22/x
3. Step 3: Cross multiply
   22,707.18x = 31,323.12 × 13,630.22
4. Step 4: Simplify right side
   22,707.18x = 426,941,016.69
5. Step 5: Solve for x
   x = 426,941,016.69/22,707.18
6. Step 6: Final answer
   x = 18,802.03