Finding the Fourth Proportional to 12,057.47, 16,640.72 and 6,751.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,057.47 : 16,640.72 = 6,751.25 : x
2. Step 2: Convert to fraction form
   12,057.47/16,640.72 = 6,751.25/x
3. Step 3: Cross multiply
   12,057.47x = 16,640.72 × 6,751.25
4. Step 4: Simplify right side
   12,057.47x = 112,345,719.38
5. Step 5: Solve for x
   x = 112,345,719.38/12,057.47
6. Step 6: Final answer
   x = 9,317.52