Finding the Fourth Proportional to 10,776.42, 16,175.52 and 7,659.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,776.42 : 16,175.52 = 7,659.95 : x
2. Step 2: Convert to fraction form
   10,776.42/16,175.52 = 7,659.95/x
3. Step 3: Cross multiply
   10,776.42x = 16,175.52 × 7,659.95
4. Step 4: Simplify right side
   10,776.42x = 123,903,593.55
5. Step 5: Solve for x
   x = 123,903,593.55/10,776.42
6. Step 6: Final answer
   x = 11,497.66