Finding the Fourth Proportional to 22,419.28, 30,936.31 and 13,804.09

Step by Step Solution

1. Step 1: Write the proportion equation
   22,419.28 : 30,936.31 = 13,804.09 : x
2. Step 2: Convert to fraction form
   22,419.28/30,936.31 = 13,804.09/x
3. Step 3: Cross multiply
   22,419.28x = 30,936.31 × 13,804.09
4. Step 4: Simplify right side
   22,419.28x = 427,047,607.51
5. Step 5: Solve for x
   x = 427,047,607.51/22,419.28
6. Step 6: Final answer
   x = 19,048.23