Finding the Fourth Proportional to 42,189.89, 63,284.89 and 17,229.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,189.89 : 63,284.89 = 17,229.94 : x
2. Step 2: Convert to fraction form
   42,189.89/63,284.89 = 17,229.94/x
3. Step 3: Cross multiply
   42,189.89x = 63,284.89 × 17,229.94
4. Step 4: Simplify right side
   42,189.89x = 1,090,394,753.24
5. Step 5: Solve for x
   x = 1,090,394,753.24/42,189.89
6. Step 6: Final answer
   x = 25,844.93