Finding the Fourth Proportional to 12,045.42, 18,061.38 and 3,723.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,045.42 : 18,061.38 = 3,723.06 : x
2. Step 2: Convert to fraction form
   12,045.42/18,061.38 = 3,723.06/x
3. Step 3: Cross multiply
   12,045.42x = 18,061.38 × 3,723.06
4. Step 4: Simplify right side
   12,045.42x = 67,243,601.42
5. Step 5: Solve for x
   x = 67,243,601.42/12,045.42
6. Step 6: Final answer
   x = 5,582.50