Finding the Fourth Proportional to 9,362.94, 12,920.63 and 5,383.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.94 : 12,920.63 = 5,383.96 : x
2. Step 2: Convert to fraction form
   9,362.94/12,920.63 = 5,383.96/x
3. Step 3: Cross multiply
   9,362.94x = 12,920.63 × 5,383.96
4. Step 4: Simplify right side
   9,362.94x = 69,564,095.87
5. Step 5: Solve for x
   x = 69,564,095.87/9,362.94
6. Step 6: Final answer
   x = 7,429.73