Finding the Fourth Proportional to 9,398.18, 12,969.50 and 5,206.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,398.18 : 12,969.50 = 5,206.42 : x
2. Step 2: Convert to fraction form
   9,398.18/12,969.50 = 5,206.42/x
3. Step 3: Cross multiply
   9,398.18x = 12,969.50 × 5,206.42
4. Step 4: Simplify right side
   9,398.18x = 67,524,664.19
5. Step 5: Solve for x
   x = 67,524,664.19/9,398.18
6. Step 6: Final answer
   x = 7,184.87