Finding the Fourth Proportional to 12,077.06, 18,115.98 and 3,643.94

Step by Step Solution

1. Step 1: Write the proportion equation
   12,077.06 : 18,115.98 = 3,643.94 : x
2. Step 2: Convert to fraction form
   12,077.06/18,115.98 = 3,643.94/x
3. Step 3: Cross multiply
   12,077.06x = 18,115.98 × 3,643.94
4. Step 4: Simplify right side
   12,077.06x = 66,013,453.58
5. Step 5: Solve for x
   x = 66,013,453.58/12,077.06
6. Step 6: Final answer
   x = 5,466.02