Finding the Fourth Proportional to 16,659.52, 22,990.16 and 9,585.80

Step by Step Solution

1. Step 1: Write the proportion equation
   16,659.52 : 22,990.16 = 9,585.80 : x
2. Step 2: Convert to fraction form
   16,659.52/22,990.16 = 9,585.80/x
3. Step 3: Cross multiply
   16,659.52x = 22,990.16 × 9,585.80
4. Step 4: Simplify right side
   16,659.52x = 220,379,075.73
5. Step 5: Solve for x
   x = 220,379,075.73/16,659.52
6. Step 6: Final answer
   x = 13,228.42