Finding the Fourth Proportional to 12,081.25, 18,134.16 and 8,333.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,081.25 : 18,134.16 = 8,333.29 : x
2. Step 2: Convert to fraction form
   12,081.25/18,134.16 = 8,333.29/x
3. Step 3: Cross multiply
   12,081.25x = 18,134.16 × 8,333.29
4. Step 4: Simplify right side
   12,081.25x = 151,117,214.19
5. Step 5: Solve for x
   x = 151,117,214.19/12,081.25
6. Step 6: Final answer
   x = 12,508.41