Finding the Fourth Proportional to 12,321.01, 16,999.32 and 7,285.69

Step by Step Solution

1. Step 1: Write the proportion equation
   12,321.01 : 16,999.32 = 7,285.69 : x
2. Step 2: Convert to fraction form
   12,321.01/16,999.32 = 7,285.69/x
3. Step 3: Cross multiply
   12,321.01x = 16,999.32 × 7,285.69
4. Step 4: Simplify right side
   12,321.01x = 123,851,775.73
5. Step 5: Solve for x
   x = 123,851,775.73/12,321.01
6. Step 6: Final answer
   x = 10,052.08