Finding the Fourth Proportional to 42,171.93, 63,208.49 and 17,196.39

Step by Step Solution

1. Step 1: Write the proportion equation
   42,171.93 : 63,208.49 = 17,196.39 : x
2. Step 2: Convert to fraction form
   42,171.93/63,208.49 = 17,196.39/x
3. Step 3: Cross multiply
   42,171.93x = 63,208.49 × 17,196.39
4. Step 4: Simplify right side
   42,171.93x = 1,086,957,759.37
5. Step 5: Solve for x
   x = 1,086,957,759.37/42,171.93
6. Step 6: Final answer
   x = 25,774.44