Finding the Fourth Proportional to 12,016.17, 18,026.00 and 3,696.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,016.17 : 18,026.00 = 3,696.89 : x
2. Step 2: Convert to fraction form
   12,016.17/18,026.00 = 3,696.89/x
3. Step 3: Cross multiply
   12,016.17x = 18,026.00 × 3,696.89
4. Step 4: Simplify right side
   12,016.17x = 66,640,030.53
5. Step 5: Solve for x
   x = 66,640,030.53/12,016.17
6. Step 6: Final answer
   x = 5,545.86