Finding the Fourth Proportional to 6,499.55, 8,968.86 and 3,666.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.55 : 8,968.86 = 3,666.02 : x
2. Step 2: Convert to fraction form
   6,499.55/8,968.86 = 3,666.02/x
3. Step 3: Cross multiply
   6,499.55x = 8,968.86 × 3,666.02
4. Step 4: Simplify right side
   6,499.55x = 32,880,020.14
5. Step 5: Solve for x
   x = 32,880,020.14/6,499.55
6. Step 6: Final answer
   x = 5,058.81