Finding the Fourth Proportional to 6,196.77, 9,250.58 and 5,309.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,196.77 : 9,250.58 = 5,309.72 : x
2. Step 2: Convert to fraction form
   6,196.77/9,250.58 = 5,309.72/x
3. Step 3: Cross multiply
   6,196.77x = 9,250.58 × 5,309.72
4. Step 4: Simplify right side
   6,196.77x = 49,117,991.35
5. Step 5: Solve for x
   x = 49,117,991.35/6,196.77
6. Step 6: Final answer
   x = 7,926.39