Finding the Fourth Proportional to 31,377.57, 43,299.73 and 17,229.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,377.57 : 43,299.73 = 17,229.50 : x
2. Step 2: Convert to fraction form
   31,377.57/43,299.73 = 17,229.50/x
3. Step 3: Cross multiply
   31,377.57x = 43,299.73 × 17,229.50
4. Step 4: Simplify right side
   31,377.57x = 746,032,698.04
5. Step 5: Solve for x
   x = 746,032,698.04/31,377.57
6. Step 6: Final answer
   x = 23,775.99