Finding the Fourth Proportional to 12,702.96, 17,530.70 and 7,667.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,702.96 : 17,530.70 = 7,667.09 : x
2. Step 2: Convert to fraction form
   12,702.96/17,530.70 = 7,667.09/x
3. Step 3: Cross multiply
   12,702.96x = 17,530.70 × 7,667.09
4. Step 4: Simplify right side
   12,702.96x = 134,409,454.66
5. Step 5: Solve for x
   x = 134,409,454.66/12,702.96
6. Step 6: Final answer
   x = 10,580.96