Finding the Fourth Proportional to 8,626.10, 12,935.48 and 3,288.36

Step by Step Solution

1. Step 1: Write the proportion equation
   8,626.10 : 12,935.48 = 3,288.36 : x
2. Step 2: Convert to fraction form
   8,626.10/12,935.48 = 3,288.36/x
3. Step 3: Cross multiply
   8,626.10x = 12,935.48 × 3,288.36
4. Step 4: Simplify right side
   8,626.10x = 42,536,498.57
5. Step 5: Solve for x
   x = 42,536,498.57/8,626.10
6. Step 6: Final answer
   x = 4,931.14