Finding the Fourth Proportional to 42,136.48, 63,180.27 and 19,949.67

Step by Step Solution

1. Step 1: Write the proportion equation
   42,136.48 : 63,180.27 = 19,949.67 : x
2. Step 2: Convert to fraction form
   42,136.48/63,180.27 = 19,949.67/x
3. Step 3: Cross multiply
   42,136.48x = 63,180.27 × 19,949.67
4. Step 4: Simplify right side
   42,136.48x = 1,260,425,537.01
5. Step 5: Solve for x
   x = 1,260,425,537.01/42,136.48
6. Step 6: Final answer
   x = 29,912.93