Finding the Fourth Proportional to 31,107.54, 42,923.61 and 17,493.06

Step by Step Solution

1. Step 1: Write the proportion equation
   31,107.54 : 42,923.61 = 17,493.06 : x
2. Step 2: Convert to fraction form
   31,107.54/42,923.61 = 17,493.06/x
3. Step 3: Cross multiply
   31,107.54x = 42,923.61 × 17,493.06
4. Step 4: Simplify right side
   31,107.54x = 750,865,285.15
5. Step 5: Solve for x
   x = 750,865,285.15/31,107.54
6. Step 6: Final answer
   x = 24,137.73