Finding the Fourth Proportional to 8,585.72, 12,881.82 and 3,395.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,585.72 : 12,881.82 = 3,395.24 : x
2. Step 2: Convert to fraction form
   8,585.72/12,881.82 = 3,395.24/x
3. Step 3: Cross multiply
   8,585.72x = 12,881.82 × 3,395.24
4. Step 4: Simplify right side
   8,585.72x = 43,736,870.54
5. Step 5: Solve for x
   x = 43,736,870.54/8,585.72
6. Step 6: Final answer
   x = 5,094.14