Finding the Fourth Proportional to 42,651.45, 63,949.79 and 17,708.71

Step by Step Solution

1. Step 1: Write the proportion equation
   42,651.45 : 63,949.79 = 17,708.71 : x
2. Step 2: Convert to fraction form
   42,651.45/63,949.79 = 17,708.71/x
3. Step 3: Cross multiply
   42,651.45x = 63,949.79 × 17,708.71
4. Step 4: Simplify right side
   42,651.45x = 1,132,468,285.67
5. Step 5: Solve for x
   x = 1,132,468,285.67/42,651.45
6. Step 6: Final answer
   x = 26,551.69