Finding the Fourth Proportional to 12,672.42, 17,488.02 and 7,083.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.42 : 17,488.02 = 7,083.42 : x
2. Step 2: Convert to fraction form
   12,672.42/17,488.02 = 7,083.42/x
3. Step 3: Cross multiply
   12,672.42x = 17,488.02 × 7,083.42
4. Step 4: Simplify right side
   12,672.42x = 123,874,990.63
5. Step 5: Solve for x
   x = 123,874,990.63/12,672.42
6. Step 6: Final answer
   x = 9,775.16