Finding the Fourth Proportional to 42,630.94, 63,942.16 and 13,049.03

Step by Step Solution

1. Step 1: Write the proportion equation
   42,630.94 : 63,942.16 = 13,049.03 : x
2. Step 2: Convert to fraction form
   42,630.94/63,942.16 = 13,049.03/x
3. Step 3: Cross multiply
   42,630.94x = 63,942.16 × 13,049.03
4. Step 4: Simplify right side
   42,630.94x = 834,383,315.80
5. Step 5: Solve for x
   x = 834,383,315.80/42,630.94
6. Step 6: Final answer
   x = 19,572.25