Finding the Fourth Proportional to 12,185.46, 18,279.99 and 3,862.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,185.46 : 18,279.99 = 3,862.71 : x
2. Step 2: Convert to fraction form
   12,185.46/18,279.99 = 3,862.71/x
3. Step 3: Cross multiply
   12,185.46x = 18,279.99 × 3,862.71
4. Step 4: Simplify right side
   12,185.46x = 70,610,300.17
5. Step 5: Solve for x
   x = 70,610,300.17/12,185.46
6. Step 6: Final answer
   x = 5,794.64