Finding the Fourth Proportional to 9,362.44, 12,920.15 and 5,384.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.44 : 12,920.15 = 5,384.32 : x
2. Step 2: Convert to fraction form
   9,362.44/12,920.15 = 5,384.32/x
3. Step 3: Cross multiply
   9,362.44x = 12,920.15 × 5,384.32
4. Step 4: Simplify right side
   9,362.44x = 69,566,222.05
5. Step 5: Solve for x
   x = 69,566,222.05/9,362.44
6. Step 6: Final answer
   x = 7,430.35