Finding the Fourth Proportional to 12,041.81, 18,065.78 and 4,644.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,041.81 : 18,065.78 = 4,644.27 : x
2. Step 2: Convert to fraction form
   12,041.81/18,065.78 = 4,644.27/x
3. Step 3: Cross multiply
   12,041.81x = 18,065.78 × 4,644.27
4. Step 4: Simplify right side
   12,041.81x = 83,902,336.86
5. Step 5: Solve for x
   x = 83,902,336.86/12,041.81
6. Step 6: Final answer
   x = 6,967.59