Finding the Fourth Proportional to 13,083.22, 18,054.78 and 7,114.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,083.22 : 18,054.78 = 7,114.84 : x
2. Step 2: Convert to fraction form
   13,083.22/18,054.78 = 7,114.84/x
3. Step 3: Cross multiply
   13,083.22x = 18,054.78 × 7,114.84
4. Step 4: Simplify right side
   13,083.22x = 128,456,870.94
5. Step 5: Solve for x
   x = 128,456,870.94/13,083.22
6. Step 6: Final answer
   x = 9,818.44