Finding the Fourth Proportional to 42,141.31, 63,174.83 and 17,202.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,141.31 : 63,174.83 = 17,202.31 : x
2. Step 2: Convert to fraction form
   42,141.31/63,174.83 = 17,202.31/x
3. Step 3: Cross multiply
   42,141.31x = 63,174.83 × 17,202.31
4. Step 4: Simplify right side
   42,141.31x = 1,086,752,765.91
5. Step 5: Solve for x
   x = 1,086,752,765.91/42,141.31
6. Step 6: Final answer
   x = 25,788.30