Finding the Fourth Proportional to 12,093.82, 18,147.74 and 5,073.21

Step by Step Solution

1. Step 1: Write the proportion equation
   12,093.82 : 18,147.74 = 5,073.21 : x
2. Step 2: Convert to fraction form
   12,093.82/18,147.74 = 5,073.21/x
3. Step 3: Cross multiply
   12,093.82x = 18,147.74 × 5,073.21
4. Step 4: Simplify right side
   12,093.82x = 92,067,296.05
5. Step 5: Solve for x
   x = 92,067,296.05/12,093.82
6. Step 6: Final answer
   x = 7,612.76