Finding the Fourth Proportional to 16,829.34, 25,247.73 and 5,143.47

Step by Step Solution

1. Step 1: Write the proportion equation
   16,829.34 : 25,247.73 = 5,143.47 : x
2. Step 2: Convert to fraction form
   16,829.34/25,247.73 = 5,143.47/x
3. Step 3: Cross multiply
   16,829.34x = 25,247.73 × 5,143.47
4. Step 4: Simplify right side
   16,829.34x = 129,860,941.82
5. Step 5: Solve for x
   x = 129,860,941.82/16,829.34
6. Step 6: Final answer
   x = 7,716.34