Finding the Fourth Proportional to 6,499.80, 8,969.62 and 3,705.24

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.80 : 8,969.62 = 3,705.24 : x
2. Step 2: Convert to fraction form
   6,499.80/8,969.62 = 3,705.24/x
3. Step 3: Cross multiply
   6,499.80x = 8,969.62 × 3,705.24
4. Step 4: Simplify right side
   6,499.80x = 33,234,594.81
5. Step 5: Solve for x
   x = 33,234,594.81/6,499.80
6. Step 6: Final answer
   x = 5,113.17