Finding the Fourth Proportional to 31,687.69, 43,682.42 and 24,120.84

Step by Step Solution

1. Step 1: Write the proportion equation
   31,687.69 : 43,682.42 = 24,120.84 : x
2. Step 2: Convert to fraction form
   31,687.69/43,682.42 = 24,120.84/x
3. Step 3: Cross multiply
   31,687.69x = 43,682.42 × 24,120.84
4. Step 4: Simplify right side
   31,687.69x = 1,053,656,384.92
5. Step 5: Solve for x
   x = 1,053,656,384.92/31,687.69
6. Step 6: Final answer
   x = 33,251.29