Finding the Fourth Proportional to 31,551.72, 43,538.01 and 17,404.57

Step by Step Solution

1. Step 1: Write the proportion equation
   31,551.72 : 43,538.01 = 17,404.57 : x
2. Step 2: Convert to fraction form
   31,551.72/43,538.01 = 17,404.57/x
3. Step 3: Cross multiply
   31,551.72x = 43,538.01 × 17,404.57
4. Step 4: Simplify right side
   31,551.72x = 757,760,168.53
5. Step 5: Solve for x
   x = 757,760,168.53/31,551.72
6. Step 6: Final answer
   x = 24,016.44