Finding the Fourth Proportional to 16,300.30, 22,499.76 and 9,585.60

Step by Step Solution

1. Step 1: Write the proportion equation
   16,300.30 : 22,499.76 = 9,585.60 : x
2. Step 2: Convert to fraction form
   16,300.30/22,499.76 = 9,585.60/x
3. Step 3: Cross multiply
   16,300.30x = 22,499.76 × 9,585.60
4. Step 4: Simplify right side
   16,300.30x = 215,673,699.46
5. Step 5: Solve for x
   x = 215,673,699.46/16,300.30
6. Step 6: Final answer
   x = 13,231.27