Finding the Fourth Proportional to 12,849.01, 17,731.98 and 7,183.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849.01 : 17,731.98 = 7,183.60 : x
2. Step 2: Convert to fraction form
   12,849.01/17,731.98 = 7,183.60/x
3. Step 3: Cross multiply
   12,849.01x = 17,731.98 × 7,183.60
4. Step 4: Simplify right side
   12,849.01x = 127,379,451.53
5. Step 5: Solve for x
   x = 127,379,451.53/12,849.01
6. Step 6: Final answer
   x = 9,913.56