Finding the Fourth Proportional to 12,394.96, 17,105.34 and 7,359.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,394.96 : 17,105.34 = 7,359.22 : x
2. Step 2: Convert to fraction form
   12,394.96/17,105.34 = 7,359.22/x
3. Step 3: Cross multiply
   12,394.96x = 17,105.34 × 7,359.22
4. Step 4: Simplify right side
   12,394.96x = 125,882,009.21
5. Step 5: Solve for x
   x = 125,882,009.21/12,394.96
6. Step 6: Final answer
   x = 10,155.90