Finding the Fourth Proportional to 42,318.63, 63,478.58 and 16,016.31

Step by Step Solution

1. Step 1: Write the proportion equation
   42,318.63 : 63,478.58 = 16,016.31 : x
2. Step 2: Convert to fraction form
   42,318.63/63,478.58 = 16,016.31/x
3. Step 3: Cross multiply
   42,318.63x = 63,478.58 × 16,016.31
4. Step 4: Simplify right side
   42,318.63x = 1,016,692,535.56
5. Step 5: Solve for x
   x = 1,016,692,535.56/42,318.63
6. Step 6: Final answer
   x = 24,024.70