Finding the Fourth Proportional to 9,664.50, 14,499.18 and 2,739

Step by Step Solution

1. Step 1: Write the proportion equation
   9,664.50 : 14,499.18 = 2,739 : x
2. Step 2: Convert to fraction form
   9,664.50/14,499.18 = 2,739/x
3. Step 3: Cross multiply
   9,664.50x = 14,499.18 × 2,739
4. Step 4: Simplify right side
   9,664.50x = 39,713,254.02
5. Step 5: Solve for x
   x = 39,713,254.02/9,664.50
6. Step 6: Final answer
   x = 4,109.19