Finding the Fourth Proportional to 12,394.37, 17,099.37 and 7,086.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,394.37 : 17,099.37 = 7,086.34 : x
2. Step 2: Convert to fraction form
   12,394.37/17,099.37 = 7,086.34/x
3. Step 3: Cross multiply
   12,394.37x = 17,099.37 × 7,086.34
4. Step 4: Simplify right side
   12,394.37x = 121,171,914.17
5. Step 5: Solve for x
   x = 121,171,914.17/12,394.37
6. Step 6: Final answer
   x = 9,776.37