Finding the Fourth Proportional to 12,761.15, 17,606.16 and 7,723.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,761.15 : 17,606.16 = 7,723.46 : x
2. Step 2: Convert to fraction form
   12,761.15/17,606.16 = 7,723.46/x
3. Step 3: Cross multiply
   12,761.15x = 17,606.16 × 7,723.46
4. Step 4: Simplify right side
   12,761.15x = 135,980,384.48
5. Step 5: Solve for x
   x = 135,980,384.48/12,761.15
6. Step 6: Final answer
   x = 10,655.81