Finding the Fourth Proportional to 12,064.78, 18,090.66 and 3,741.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,064.78 : 18,090.66 = 3,741.22 : x
2. Step 2: Convert to fraction form
   12,064.78/18,090.66 = 3,741.22/x
3. Step 3: Cross multiply
   12,064.78x = 18,090.66 × 3,741.22
4. Step 4: Simplify right side
   12,064.78x = 67,681,139.01
5. Step 5: Solve for x
   x = 67,681,139.01/12,064.78
6. Step 6: Final answer
   x = 5,609.81