Finding the Fourth Proportional to 31,636.42, 43,655.97 and 17,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,636.42 : 43,655.97 = 17,489.50 : x
2. Step 2: Convert to fraction form
   31,636.42/43,655.97 = 17,489.50/x
3. Step 3: Cross multiply
   31,636.42x = 43,655.97 × 17,489.50
4. Step 4: Simplify right side
   31,636.42x = 763,521,087.32
5. Step 5: Solve for x
   x = 763,521,087.32/31,636.42
6. Step 6: Final answer
   x = 24,134.24