Finding the Fourth Proportional to 6,499.59, 8,969.45 and 3,705.09

Step by Step Solution

1. Step 1: Write the proportion equation
   6,499.59 : 8,969.45 = 3,705.09 : x
2. Step 2: Convert to fraction form
   6,499.59/8,969.45 = 3,705.09/x
3. Step 3: Cross multiply
   6,499.59x = 8,969.45 × 3,705.09
4. Step 4: Simplify right side
   6,499.59x = 33,232,600.98
5. Step 5: Solve for x
   x = 33,232,600.98/6,499.59
6. Step 6: Final answer
   x = 5,113.03