Finding the Fourth Proportional to 31,157.05, 42,995.22 and 17,727.05

Step by Step Solution

1. Step 1: Write the proportion equation
   31,157.05 : 42,995.22 = 17,727.05 : x
2. Step 2: Convert to fraction form
   31,157.05/42,995.22 = 17,727.05/x
3. Step 3: Cross multiply
   31,157.05x = 42,995.22 × 17,727.05
4. Step 4: Simplify right side
   31,157.05x = 762,178,414.70
5. Step 5: Solve for x
   x = 762,178,414.70/31,157.05
6. Step 6: Final answer
   x = 24,462.47