Finding the Fourth Proportional to 42,167.48, 63,243.90 and 15,872.42

Step by Step Solution

1. Step 1: Write the proportion equation
   42,167.48 : 63,243.90 = 15,872.42 : x
2. Step 2: Convert to fraction form
   42,167.48/63,243.90 = 15,872.42/x
3. Step 3: Cross multiply
   42,167.48x = 63,243.90 × 15,872.42
4. Step 4: Simplify right side
   42,167.48x = 1,003,833,743.24
5. Step 5: Solve for x
   x = 1,003,833,743.24/42,167.48
6. Step 6: Final answer
   x = 23,805.87