Finding the Fourth Proportional to 6,900.89, 10,349.56 and 3,199.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.89 : 10,349.56 = 3,199.49 : x
2. Step 2: Convert to fraction form
   6,900.89/10,349.56 = 3,199.49/x
3. Step 3: Cross multiply
   6,900.89x = 10,349.56 × 3,199.49
4. Step 4: Simplify right side
   6,900.89x = 33,113,297.73
5. Step 5: Solve for x
   x = 33,113,297.73/6,900.89
6. Step 6: Final answer
   x = 4,798.41