Finding the Fourth Proportional to 6,699.89, 9,245.86 and 3,715.76

Step by Step Solution

1. Step 1: Write the proportion equation
   6,699.89 : 9,245.86 = 3,715.76 : x
2. Step 2: Convert to fraction form
   6,699.89/9,245.86 = 3,715.76/x
3. Step 3: Cross multiply
   6,699.89x = 9,245.86 × 3,715.76
4. Step 4: Simplify right side
   6,699.89x = 34,355,410.58
5. Step 5: Solve for x
   x = 34,355,410.58/6,699.89
6. Step 6: Final answer
   x = 5,127.76