Finding the Fourth Proportional to 12,409.56, 17,122.86 and 7,695

Step by Step Solution

1. Step 1: Write the proportion equation
   12,409.56 : 17,122.86 = 7,695 : x
2. Step 2: Convert to fraction form
   12,409.56/17,122.86 = 7,695/x
3. Step 3: Cross multiply
   12,409.56x = 17,122.86 × 7,695
4. Step 4: Simplify right side
   12,409.56x = 131,760,407.70
5. Step 5: Solve for x
   x = 131,760,407.70/12,409.56
6. Step 6: Final answer
   x = 10,617.65