Finding the Fourth Proportional to 6,499.17, 8,968.77 and 3,705.21

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.17 : 8,968.77 = 3,705.21 : x
2. Step 2: Convert to fraction form
   6,499.17/8,968.77 = 3,705.21/x
3. Step 3: Cross multiply
   6,499.17x = 8,968.77 × 3,705.21
4. Step 4: Simplify right side
   6,499.17x = 33,231,176.29
5. Step 5: Solve for x
   x = 33,231,176.29/6,499.17
6. Step 6: Final answer
   x = 5,113.14