Finding the Fourth Proportional to 6,499.13, 8,968.79 and 3,666.50

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.13 : 8,968.79 = 3,666.50 : x
2. Step 2: Convert to fraction form
   6,499.13/8,968.79 = 3,666.50/x
3. Step 3: Cross multiply
   6,499.13x = 8,968.79 × 3,666.50
4. Step 4: Simplify right side
   6,499.13x = 32,884,068.54
5. Step 5: Solve for x
   x = 32,884,068.54/6,499.13
6. Step 6: Final answer
   x = 5,059.76