Finding the Fourth Proportional to 19,834.50, 29,750.54 and 8,147.42

Step by Step Solution

1. Step 1: Write the proportion equation
   19,834.50 : 29,750.54 = 8,147.42 : x
2. Step 2: Convert to fraction form
   19,834.50/29,750.54 = 8,147.42/x
3. Step 3: Cross multiply
   19,834.50x = 29,750.54 × 8,147.42
4. Step 4: Simplify right side
   19,834.50x = 242,390,144.61
5. Step 5: Solve for x
   x = 242,390,144.61/19,834.50
6. Step 6: Final answer
   x = 12,220.63