Finding the Fourth Proportional to 12,047.03, 18,071.47 and 3,727.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,047.03 : 18,071.47 = 3,727.89 : x
2. Step 2: Convert to fraction form
   12,047.03/18,071.47 = 3,727.89/x
3. Step 3: Cross multiply
   12,047.03x = 18,071.47 × 3,727.89
4. Step 4: Simplify right side
   12,047.03x = 67,368,469.87
5. Step 5: Solve for x
   x = 67,368,469.87/12,047.03
6. Step 6: Final answer
   x = 5,592.12