Finding the Fourth Proportional to 12,062.72, 18,096.90 and 3,742.30

Step by Step Solution

1. Step 1: Write the proportion equation
   12,062.72 : 18,096.90 = 3,742.30 : x
2. Step 2: Convert to fraction form
   12,062.72/18,096.90 = 3,742.30/x
3. Step 3: Cross multiply
   12,062.72x = 18,096.90 × 3,742.30
4. Step 4: Simplify right side
   12,062.72x = 67,724,028.87
5. Step 5: Solve for x
   x = 67,724,028.87/12,062.72
6. Step 6: Final answer
   x = 5,614.32