Finding the Fourth Proportional to 31,486, 43,450.69 and 17,338.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,486 : 43,450.69 = 17,338.82 : x
2. Step 2: Convert to fraction form
   31,486/43,450.69 = 17,338.82/x
3. Step 3: Cross multiply
   31,486x = 43,450.69 × 17,338.82
4. Step 4: Simplify right side
   31,486x = 753,383,692.79
5. Step 5: Solve for x
   x = 753,383,692.79/31,486
6. Step 6: Final answer
   x = 23,927.58