Finding the Fourth Proportional to 12,147.37, 16,763.43 and 7,673.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,147.37 : 16,763.43 = 7,673.12 : x
2. Step 2: Convert to fraction form
   12,147.37/16,763.43 = 7,673.12/x
3. Step 3: Cross multiply
   12,147.37x = 16,763.43 × 7,673.12
4. Step 4: Simplify right side
   12,147.37x = 128,627,810.00
5. Step 5: Solve for x
   x = 128,627,810.00/12,147.37
6. Step 6: Final answer
   x = 10,588.94