Finding the Fourth Proportional to 12,214.31, 18,317.79 and 5,194.26

Step by Step Solution

1. Step 1: Write the proportion equation
   12,214.31 : 18,317.79 = 5,194.26 : x
2. Step 2: Convert to fraction form
   12,214.31/18,317.79 = 5,194.26/x
3. Step 3: Cross multiply
   12,214.31x = 18,317.79 × 5,194.26
4. Step 4: Simplify right side
   12,214.31x = 95,147,363.89
5. Step 5: Solve for x
   x = 95,147,363.89/12,214.31
6. Step 6: Final answer
   x = 7,789.83