Finding the Fourth Proportional to 22,399.38, 30,901.83 and 13,898.64

Step by Step Solution

1. Step 1: Write the proportion equation
   22,399.38 : 30,901.83 = 13,898.64 : x
2. Step 2: Convert to fraction form
   22,399.38/30,901.83 = 13,898.64/x
3. Step 3: Cross multiply
   22,399.38x = 30,901.83 × 13,898.64
4. Step 4: Simplify right side
   22,399.38x = 429,493,410.51
5. Step 5: Solve for x
   x = 429,493,410.51/22,399.38
6. Step 6: Final answer
   x = 19,174.34