Finding the Fourth Proportional to 9,018.66, 12,444.39 and 5,039.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.66 : 12,444.39 = 5,039.94 : x
2. Step 2: Convert to fraction form
   9,018.66/12,444.39 = 5,039.94/x
3. Step 3: Cross multiply
   9,018.66x = 12,444.39 × 5,039.94
4. Step 4: Simplify right side
   9,018.66x = 62,718,978.94
5. Step 5: Solve for x
   x = 62,718,978.94/9,018.66
6. Step 6: Final answer
   x = 6,954.36