Finding the Fourth Proportional to 12,488.14, 17,233.62 and 7,182.82

Step by Step Solution

1. Step 1: Write the proportion equation
   12,488.14 : 17,233.62 = 7,182.82 : x
2. Step 2: Convert to fraction form
   12,488.14/17,233.62 = 7,182.82/x
3. Step 3: Cross multiply
   12,488.14x = 17,233.62 × 7,182.82
4. Step 4: Simplify right side
   12,488.14x = 123,785,990.41
5. Step 5: Solve for x
   x = 123,785,990.41/12,488.14
6. Step 6: Final answer
   x = 9,912.28