Finding the Fourth Proportional to 12,672.15, 17,487.59 and 7,083.15

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.15 : 17,487.59 = 7,083.15 : x
2. Step 2: Convert to fraction form
   12,672.15/17,487.59 = 7,083.15/x
3. Step 3: Cross multiply
   12,672.15x = 17,487.59 × 7,083.15
4. Step 4: Simplify right side
   12,672.15x = 123,867,187.69
5. Step 5: Solve for x
   x = 123,867,187.69/12,672.15
6. Step 6: Final answer
   x = 9,774.76