Finding the Fourth Proportional to 2,608.16, 3,886.83 and 2,529.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,608.16 : 3,886.83 = 2,529.09 : x
2. Step 2: Convert to fraction form
   2,608.16/3,886.83 = 2,529.09/x
3. Step 3: Cross multiply
   2,608.16x = 3,886.83 × 2,529.09
4. Step 4: Simplify right side
   2,608.16x = 9,830,142.88
5. Step 5: Solve for x
   x = 9,830,142.88/2,608.16
6. Step 6: Final answer
   x = 3,769.00