Finding the Fourth Proportional to 22,308.24, 30,798.72 and 13,936.08

Step by Step Solution

1. Step 1: Write the proportion equation
   22,308.24 : 30,798.72 = 13,936.08 : x
2. Step 2: Convert to fraction form
   22,308.24/30,798.72 = 13,936.08/x
3. Step 3: Cross multiply
   22,308.24x = 30,798.72 × 13,936.08
4. Step 4: Simplify right side
   22,308.24x = 429,213,425.82
5. Step 5: Solve for x
   x = 429,213,425.82/22,308.24
6. Step 6: Final answer
   x = 19,240.13