Finding the Fourth Proportional to 7,099.82, 10,649.82 and 3,979.34

Step by Step Solution

1. Step 1: Write the proportion equation
   7,099.82 : 10,649.82 = 3,979.34 : x
2. Step 2: Convert to fraction form
   7,099.82/10,649.82 = 3,979.34/x
3. Step 3: Cross multiply
   7,099.82x = 10,649.82 × 3,979.34
4. Step 4: Simplify right side
   7,099.82x = 42,379,254.72
5. Step 5: Solve for x
   x = 42,379,254.72/7,099.82
6. Step 6: Final answer
   x = 5,969.06