Finding the Fourth Proportional to 42,217.76, 63,348.24 and 17,276.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,217.76 : 63,348.24 = 17,276.24 : x
2. Step 2: Convert to fraction form
   42,217.76/63,348.24 = 17,276.24/x
3. Step 3: Cross multiply
   42,217.76x = 63,348.24 × 17,276.24
4. Step 4: Simplify right side
   42,217.76x = 1,094,419,397.82
5. Step 5: Solve for x
   x = 1,094,419,397.82/42,217.76
6. Step 6: Final answer
   x = 25,923.20