Finding the Fourth Proportional to 12,704, 17,531.52 and 7,736

Step by Step Solution

1. Step 1: Write the proportion equation
   12,704 : 17,531.52 = 7,736 : x
2. Step 2: Convert to fraction form
   12,704/17,531.52 = 7,736/x
3. Step 3: Cross multiply
   12,704x = 17,531.52 × 7,736
4. Step 4: Simplify right side
   12,704x = 135,623,838.72
5. Step 5: Solve for x
   x = 135,623,838.72/12,704
6. Step 6: Final answer
   x = 10,675.68