Finding the Fourth Proportional to 42,016.14, 63,024.03 and 12,434.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,016.14 : 63,024.03 = 12,434.16 : x
2. Step 2: Convert to fraction form
   42,016.14/63,024.03 = 12,434.16/x
3. Step 3: Cross multiply
   42,016.14x = 63,024.03 × 12,434.16
4. Step 4: Simplify right side
   42,016.14x = 783,650,872.86
5. Step 5: Solve for x
   x = 783,650,872.86/42,016.14
6. Step 6: Final answer
   x = 18,651.19