Finding the Fourth Proportional to 6,516.88, 8,991.18 and 3,683.98

Step by Step Solution

1. Step 1: Write the proportion equation
   6,516.88 : 8,991.18 = 3,683.98 : x
2. Step 2: Convert to fraction form
   6,516.88/8,991.18 = 3,683.98/x
3. Step 3: Cross multiply
   6,516.88x = 8,991.18 × 3,683.98
4. Step 4: Simplify right side
   6,516.88x = 33,123,327.30
5. Step 5: Solve for x
   x = 33,123,327.30/6,516.88
6. Step 6: Final answer
   x = 5,082.70