Finding the Fourth Proportional to 42,144.76, 63,226.38 and 15,849.49

Step by Step Solution

1. Step 1: Write the proportion equation
   42,144.76 : 63,226.38 = 15,849.49 : x
2. Step 2: Convert to fraction form
   42,144.76/63,226.38 = 15,849.49/x
3. Step 3: Cross multiply
   42,144.76x = 63,226.38 × 15,849.49
4. Step 4: Simplify right side
   42,144.76x = 1,002,105,877.55
5. Step 5: Solve for x
   x = 1,002,105,877.55/42,144.76
6. Step 6: Final answer
   x = 23,777.71