Finding the Fourth Proportional to 9,345.82, 12,896.28 and 5,367.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.82 : 12,896.28 = 5,367.53 : x
2. Step 2: Convert to fraction form
   9,345.82/12,896.28 = 5,367.53/x
3. Step 3: Cross multiply
   9,345.82x = 12,896.28 × 5,367.53
4. Step 4: Simplify right side
   9,345.82x = 69,221,169.79
5. Step 5: Solve for x
   x = 69,221,169.79/9,345.82
6. Step 6: Final answer
   x = 7,406.64