Finding the Fourth Proportional to 12,702.07, 17,529.78 and 7,667.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,702.07 : 17,529.78 = 7,667.52 : x
2. Step 2: Convert to fraction form
   12,702.07/17,529.78 = 7,667.52/x
3. Step 3: Cross multiply
   12,702.07x = 17,529.78 × 7,667.52
4. Step 4: Simplify right side
   12,702.07x = 134,409,938.75
5. Step 5: Solve for x
   x = 134,409,938.75/12,702.07
6. Step 6: Final answer
   x = 10,581.74