Finding the Fourth Proportional to 42,128.58, 63,229.26 and 17,182.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,128.58 : 63,229.26 = 17,182.38 : x
2. Step 2: Convert to fraction form
   42,128.58/63,229.26 = 17,182.38/x
3. Step 3: Cross multiply
   42,128.58x = 63,229.26 × 17,182.38
4. Step 4: Simplify right side
   42,128.58x = 1,086,429,172.44
5. Step 5: Solve for x
   x = 1,086,429,172.44/42,128.58
6. Step 6: Final answer
   x = 25,788.41