Finding the Fourth Proportional to 6,499.63, 8,968.89 and 3,666.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.63 : 8,968.89 = 3,666.79 : x
2. Step 2: Convert to fraction form
   6,499.63/8,968.89 = 3,666.79/x
3. Step 3: Cross multiply
   6,499.63x = 8,968.89 × 3,666.79
4. Step 4: Simplify right side
   6,499.63x = 32,887,036.16
5. Step 5: Solve for x
   x = 32,887,036.16/6,499.63
6. Step 6: Final answer
   x = 5,059.83