Finding the Fourth Proportional to 12,702.73, 17,531.82 and 7,667.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,702.73 : 17,531.82 = 7,667.71 : x
2. Step 2: Convert to fraction form
   12,702.73/17,531.82 = 7,667.71/x
3. Step 3: Cross multiply
   12,702.73x = 17,531.82 × 7,667.71
4. Step 4: Simplify right side
   12,702.73x = 134,428,911.53
5. Step 5: Solve for x
   x = 134,428,911.53/12,702.73
6. Step 6: Final answer
   x = 10,582.68