Finding the Fourth Proportional to 16,498.95, 22,771.86 and 9,788.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,498.95 : 22,771.86 = 9,788.30 : x
2. Step 2: Convert to fraction form
   16,498.95/22,771.86 = 9,788.30/x
3. Step 3: Cross multiply
   16,498.95x = 22,771.86 × 9,788.30
4. Step 4: Simplify right side
   16,498.95x = 222,897,797.24
5. Step 5: Solve for x
   x = 222,897,797.24/16,498.95
6. Step 6: Final answer
   x = 13,509.82