Finding the Fourth Proportional to 22,506.54, 31,067.31 and 13,554.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,506.54 : 31,067.31 = 13,554.42 : x
2. Step 2: Convert to fraction form
   22,506.54/31,067.31 = 13,554.42/x
3. Step 3: Cross multiply
   22,506.54x = 31,067.31 × 13,554.42
4. Step 4: Simplify right side
   22,506.54x = 421,099,368.01
5. Step 5: Solve for x
   x = 421,099,368.01/22,506.54
6. Step 6: Final answer
   x = 18,710.09