Finding the Fourth Proportional to 31,783, 43,859.02 and 17,442.49

Step by Step Solution

1. Step 1: Write the proportion equation
   31,783 : 43,859.02 = 17,442.49 : x
2. Step 2: Convert to fraction form
   31,783/43,859.02 = 17,442.49/x
3. Step 3: Cross multiply
   31,783x = 43,859.02 × 17,442.49
4. Step 4: Simplify right side
   31,783x = 765,010,517.76
5. Step 5: Solve for x
   x = 765,010,517.76/31,783
6. Step 6: Final answer
   x = 24,069.80