Finding the Fourth Proportional to 9,018.05, 12,444.98 and 5,039.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,018.05 : 12,444.98 = 5,039.33 : x
2. Step 2: Convert to fraction form
   9,018.05/12,444.98 = 5,039.33/x
3. Step 3: Cross multiply
   9,018.05x = 12,444.98 × 5,039.33
4. Step 4: Simplify right side
   9,018.05x = 62,714,366.98
5. Step 5: Solve for x
   x = 62,714,366.98/9,018.05
6. Step 6: Final answer
   x = 6,954.31