Finding the Fourth Proportional to 8,637.01, 12,959.61 and 3,708.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,637.01 : 12,959.61 = 3,708.05 : x
2. Step 2: Convert to fraction form
   8,637.01/12,959.61 = 3,708.05/x
3. Step 3: Cross multiply
   8,637.01x = 12,959.61 × 3,708.05
4. Step 4: Simplify right side
   8,637.01x = 48,054,863.32
5. Step 5: Solve for x
   x = 48,054,863.32/8,637.01
6. Step 6: Final answer
   x = 5,563.83