Finding the Fourth Proportional to 22,395.38, 30,892.76 and 13,997.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,395.38 : 30,892.76 = 13,997.30 : x
2. Step 2: Convert to fraction form
   22,395.38/30,892.76 = 13,997.30/x
3. Step 3: Cross multiply
   22,395.38x = 30,892.76 × 13,997.30
4. Step 4: Simplify right side
   22,395.38x = 432,415,110.08
5. Step 5: Solve for x
   x = 432,415,110.08/22,395.38
6. Step 6: Final answer
   x = 19,308.23