Finding the Fourth Proportional to 42,150.24, 63,224.64 and 12,568.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,150.24 : 63,224.64 = 12,568.16 : x
2. Step 2: Convert to fraction form
   42,150.24/63,224.64 = 12,568.16/x
3. Step 3: Cross multiply
   42,150.24x = 63,224.64 × 12,568.16
4. Step 4: Simplify right side
   42,150.24x = 794,617,391.46
5. Step 5: Solve for x
   x = 794,617,391.46/42,150.24
6. Step 6: Final answer
   x = 18,852.03