Finding the Fourth Proportional to 12,181.01, 18,271.38 and 3,861.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,181.01 : 18,271.38 = 3,861.02 : x
2. Step 2: Convert to fraction form
   12,181.01/18,271.38 = 3,861.02/x
3. Step 3: Cross multiply
   12,181.01x = 18,271.38 × 3,861.02
4. Step 4: Simplify right side
   12,181.01x = 70,546,163.61
5. Step 5: Solve for x
   x = 70,546,163.61/12,181.01
6. Step 6: Final answer
   x = 5,791.49