Finding the Fourth Proportional to 16,422.78, 24,634.56 and 5,329.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,422.78 : 24,634.56 = 5,329.50 : x
2. Step 2: Convert to fraction form
   16,422.78/24,634.56 = 5,329.50/x
3. Step 3: Cross multiply
   16,422.78x = 24,634.56 × 5,329.50
4. Step 4: Simplify right side
   16,422.78x = 131,289,887.52
5. Step 5: Solve for x
   x = 131,289,887.52/16,422.78
6. Step 6: Final answer
   x = 7,994.38