Finding the Fourth Proportional to 16,542.47, 22,820.05 and 10,243.91

Step by Step Solution

1. Step 1: Write the proportion equation
   16,542.47 : 22,820.05 = 10,243.91 : x
2. Step 2: Convert to fraction form
   16,542.47/22,820.05 = 10,243.91/x
3. Step 3: Cross multiply
   16,542.47x = 22,820.05 × 10,243.91
4. Step 4: Simplify right side
   16,542.47x = 233,766,538.40
5. Step 5: Solve for x
   x = 233,766,538.40/16,542.47
6. Step 6: Final answer
   x = 14,131.30