Finding the Fourth Proportional to 42,483.78, 63,688.41 and 16,171.02

Step by Step Solution

1. Step 1: Write the proportion equation
   42,483.78 : 63,688.41 = 16,171.02 : x
2. Step 2: Convert to fraction form
   42,483.78/63,688.41 = 16,171.02/x
3. Step 3: Cross multiply
   42,483.78x = 63,688.41 × 16,171.02
4. Step 4: Simplify right side
   42,483.78x = 1,029,906,551.88
5. Step 5: Solve for x
   x = 1,029,906,551.88/42,483.78
6. Step 6: Final answer
   x = 24,242.35