Finding the Fourth Proportional to 9,776.77, 14,665.16 and 2,756.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,776.77 : 14,665.16 = 2,756.72 : x
2. Step 2: Convert to fraction form
   9,776.77/14,665.16 = 2,756.72/x
3. Step 3: Cross multiply
   9,776.77x = 14,665.16 × 2,756.72
4. Step 4: Simplify right side
   9,776.77x = 40,427,783.43
5. Step 5: Solve for x
   x = 40,427,783.43/9,776.77
6. Step 6: Final answer
   x = 4,135.09