Finding the Fourth Proportional to 12,672.22, 17,487.62 and 7,083.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,672.22 : 17,487.62 = 7,083.22 : x
2. Step 2: Convert to fraction form
   12,672.22/17,487.62 = 7,083.22/x
3. Step 3: Cross multiply
   12,672.22x = 17,487.62 × 7,083.22
4. Step 4: Simplify right side
   12,672.22x = 123,868,659.74
5. Step 5: Solve for x
   x = 123,868,659.74/12,672.22
6. Step 6: Final answer
   x = 9,774.82