Finding the Fourth Proportional to 8,100.66, 12,154.69 and 3,659.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,100.66 : 12,154.69 = 3,659.51 : x
2. Step 2: Convert to fraction form
   8,100.66/12,154.69 = 3,659.51/x
3. Step 3: Cross multiply
   8,100.66x = 12,154.69 × 3,659.51
4. Step 4: Simplify right side
   8,100.66x = 44,480,209.60
5. Step 5: Solve for x
   x = 44,480,209.60/8,100.66
6. Step 6: Final answer
   x = 5,490.94