Finding the Fourth Proportional to 12,083.83, 18,121.32 and 4,184.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,083.83 : 18,121.32 = 4,184.31 : x
2. Step 2: Convert to fraction form
   12,083.83/18,121.32 = 4,184.31/x
3. Step 3: Cross multiply
   12,083.83x = 18,121.32 × 4,184.31
4. Step 4: Simplify right side
   12,083.83x = 75,825,186.51
5. Step 5: Solve for x
   x = 75,825,186.51/12,083.83
6. Step 6: Final answer
   x = 6,274.93