Finding the Fourth Proportional to 13,083.05, 18,054.52 and 7,114.72

Step by Step Solution

1. Step 1: Write the proportion equation
   13,083.05 : 18,054.52 = 7,114.72 : x
2. Step 2: Convert to fraction form
   13,083.05/18,054.52 = 7,114.72/x
3. Step 3: Cross multiply
   13,083.05x = 18,054.52 × 7,114.72
4. Step 4: Simplify right side
   13,083.05x = 128,452,818.96
5. Step 5: Solve for x
   x = 128,452,818.96/13,083.05
6. Step 6: Final answer
   x = 9,818.26