Finding the Fourth Proportional to 12,271.92, 18,410.94 and 3,506.91

Step by Step Solution

1. Step 1: Write the proportion equation
   12,271.92 : 18,410.94 = 3,506.91 : x
2. Step 2: Convert to fraction form
   12,271.92/18,410.94 = 3,506.91/x
3. Step 3: Cross multiply
   12,271.92x = 18,410.94 × 3,506.91
4. Step 4: Simplify right side
   12,271.92x = 64,565,509.60
5. Step 5: Solve for x
   x = 64,565,509.60/12,271.92
6. Step 6: Final answer
   x = 5,261.24