Finding the Fourth Proportional to 16,299.80, 22,493.82 and 9,585.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,299.80 : 22,493.82 = 9,585.72 : x
2. Step 2: Convert to fraction form
   16,299.80/22,493.82 = 9,585.72/x
3. Step 3: Cross multiply
   16,299.80x = 22,493.82 × 9,585.72
4. Step 4: Simplify right side
   16,299.80x = 215,619,460.25
5. Step 5: Solve for x
   x = 215,619,460.25/16,299.80
6. Step 6: Final answer
   x = 13,228.35