Finding the Fourth Proportional to 31,231.72, 43,100.84 and 17,804.96

Step by Step Solution

1. Step 1: Write the proportion equation
   31,231.72 : 43,100.84 = 17,804.96 : x
2. Step 2: Convert to fraction form
   31,231.72/43,100.84 = 17,804.96/x
3. Step 3: Cross multiply
   31,231.72x = 43,100.84 × 17,804.96
4. Step 4: Simplify right side
   31,231.72x = 767,408,732.17
5. Step 5: Solve for x
   x = 767,408,732.17/31,231.72
6. Step 6: Final answer
   x = 24,571.45