Finding the Fourth Proportional to 12,672.50, 17,487.95 and 7,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.50 : 17,487.95 = 7,083.50 : x
2. Step 2: Convert to fraction form
   12,672.50/17,487.95 = 7,083.50/x
3. Step 3: Cross multiply
   12,672.50x = 17,487.95 × 7,083.50
4. Step 4: Simplify right side
   12,672.50x = 123,875,770.97
5. Step 5: Solve for x
   x = 123,875,770.97/12,672.50
6. Step 6: Final answer
   x = 9,775.17