Finding the Fourth Proportional to 31,069.25, 42,877.98 and 17,644.71

Step by Step Solution

1. Step 1: Write the proportion equation
   31,069.25 : 42,877.98 = 17,644.71 : x
2. Step 2: Convert to fraction form
   31,069.25/42,877.98 = 17,644.71/x
3. Step 3: Cross multiply
   31,069.25x = 42,877.98 × 17,644.71
4. Step 4: Simplify right side
   31,069.25x = 756,569,522.49
5. Step 5: Solve for x
   x = 756,569,522.49/31,069.25
6. Step 6: Final answer
   x = 24,351.07