Finding the Fourth Proportional to 16,772.65, 23,146.69 and 9,699.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,772.65 : 23,146.69 = 9,699.52 : x
2. Step 2: Convert to fraction form
   16,772.65/23,146.69 = 9,699.52/x
3. Step 3: Cross multiply
   16,772.65x = 23,146.69 × 9,699.52
4. Step 4: Simplify right side
   16,772.65x = 224,511,782.59
5. Step 5: Solve for x
   x = 224,511,782.59/16,772.65
6. Step 6: Final answer
   x = 13,385.59