Finding the Fourth Proportional to 12,093.17, 18,139.82 and 5,514.75

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.17 : 18,139.82 = 5,514.75 : x
2. Step 2: Convert to fraction form
   12,093.17/18,139.82 = 5,514.75/x
3. Step 3: Cross multiply
   12,093.17x = 18,139.82 × 5,514.75
4. Step 4: Simplify right side
   12,093.17x = 100,036,544.77
5. Step 5: Solve for x
   x = 100,036,544.77/12,093.17
6. Step 6: Final answer
   x = 8,272.16