Finding the Fourth Proportional to 42,123.41, 63,183.89 and 17,157.28

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.41 : 63,183.89 = 17,157.28 : x
2. Step 2: Convert to fraction form
   42,123.41/63,183.89 = 17,157.28/x
3. Step 3: Cross multiply
   42,123.41x = 63,183.89 × 17,157.28
4. Step 4: Simplify right side
   42,123.41x = 1,084,063,290.51
5. Step 5: Solve for x
   x = 1,084,063,290.51/42,123.41
6. Step 6: Final answer
   x = 25,735.41