Finding the Fourth Proportional to 42,147, 63,222.12 and 10,982.52

Step by Step Solution

1. Step 1: Write the proportion equation
   42,147 : 63,222.12 = 10,982.52 : x
2. Step 2: Convert to fraction form
   42,147/63,222.12 = 10,982.52/x
3. Step 3: Cross multiply
   42,147x = 63,222.12 × 10,982.52
4. Step 4: Simplify right side
   42,147x = 694,338,197.34
5. Step 5: Solve for x
   x = 694,338,197.34/42,147
6. Step 6: Final answer
   x = 16,474.20