Finding the Fourth Proportional to 31,620, 43,631.82 and 17,470.92

Step by Step Solution

1. Step 1: Write the proportion equation
   31,620 : 43,631.82 = 17,470.92 : x
2. Step 2: Convert to fraction form
   31,620/43,631.82 = 17,470.92/x
3. Step 3: Cross multiply
   31,620x = 43,631.82 × 17,470.92
4. Step 4: Simplify right side
   31,620x = 762,288,036.67
5. Step 5: Solve for x
   x = 762,288,036.67/31,620
6. Step 6: Final answer
   x = 24,107.78