Finding the Fourth Proportional to 9,600.62, 13,254.99 and 9,134.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,600.62 : 13,254.99 = 9,134.52 : x
2. Step 2: Convert to fraction form
   9,600.62/13,254.99 = 9,134.52/x
3. Step 3: Cross multiply
   9,600.62x = 13,254.99 × 9,134.52
4. Step 4: Simplify right side
   9,600.62x = 121,077,971.25
5. Step 5: Solve for x
   x = 121,077,971.25/9,600.62
6. Step 6: Final answer
   x = 12,611.47