Finding the Fourth Proportional to 22,036.72, 30,400.50 and 13,079.14

Step by Step Solution

1. Step 1: Write the proportion equation
   22,036.72 : 30,400.50 = 13,079.14 : x
2. Step 2: Convert to fraction form
   22,036.72/30,400.50 = 13,079.14/x
3. Step 3: Cross multiply
   22,036.72x = 30,400.50 × 13,079.14
4. Step 4: Simplify right side
   22,036.72x = 397,612,395.57
5. Step 5: Solve for x
   x = 397,612,395.57/22,036.72
6. Step 6: Final answer
   x = 18,043.18