Finding the Fourth Proportional to 42,123.27, 63,183.70 and 17,157.15

Step by Step Solution

1. Step 1: Write the proportion equation
   42,123.27 : 63,183.70 = 17,157.15 : x
2. Step 2: Convert to fraction form
   42,123.27/63,183.70 = 17,157.15/x
3. Step 3: Cross multiply
   42,123.27x = 63,183.70 × 17,157.15
4. Step 4: Simplify right side
   42,123.27x = 1,084,052,239.90
5. Step 5: Solve for x
   x = 1,084,052,239.90/42,123.27
6. Step 6: Final answer
   x = 25,735.23