Finding the Fourth Proportional to 12,487.75, 17,233.59 and 7,182.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,487.75 : 17,233.59 = 7,182.56 : x
2. Step 2: Convert to fraction form
   12,487.75/17,233.59 = 7,182.56/x
3. Step 3: Cross multiply
   12,487.75x = 17,233.59 × 7,182.56
4. Step 4: Simplify right side
   12,487.75x = 123,781,294.19
5. Step 5: Solve for x
   x = 123,781,294.19/12,487.75
6. Step 6: Final answer
   x = 9,912.22