Finding the Fourth Proportional to 9,362.30, 12,919.97 and 5,384.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.30 : 12,919.97 = 5,384.69 : x
2. Step 2: Convert to fraction form
   9,362.30/12,919.97 = 5,384.69/x
3. Step 3: Cross multiply
   9,362.30x = 12,919.97 × 5,384.69
4. Step 4: Simplify right side
   9,362.30x = 69,569,941.74
5. Step 5: Solve for x
   x = 69,569,941.74/9,362.30
6. Step 6: Final answer
   x = 7,430.86