Finding the Fourth Proportional to 31,371.67, 43,280.56 and 17,935.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,371.67 : 43,280.56 = 17,935.71 : x
2. Step 2: Convert to fraction form
   31,371.67/43,280.56 = 17,935.71/x
3. Step 3: Cross multiply
   31,371.67x = 43,280.56 × 17,935.71
4. Step 4: Simplify right side
   31,371.67x = 776,267,266.72
5. Step 5: Solve for x
   x = 776,267,266.72/31,371.67
6. Step 6: Final answer
   x = 24,744.21