Finding the Fourth Proportional to 22,095.46, 30,480.12 and 13,136.59

Step by Step Solution

1. Step 1: Write the proportion equation
   22,095.46 : 30,480.12 = 13,136.59 : x
2. Step 2: Convert to fraction form
   22,095.46/30,480.12 = 13,136.59/x
3. Step 3: Cross multiply
   22,095.46x = 30,480.12 × 13,136.59
4. Step 4: Simplify right side
   22,095.46x = 400,404,839.59
5. Step 5: Solve for x
   x = 400,404,839.59/22,095.46
6. Step 6: Final answer
   x = 18,121.59