Finding the Fourth Proportional to 9,300.20, 12,836.49 and 5,323.61

Step by Step Solution

1. Step 1: Write the proportion equation
   9,300.20 : 12,836.49 = 5,323.61 : x
2. Step 2: Convert to fraction form
   9,300.20/12,836.49 = 5,323.61/x
3. Step 3: Cross multiply
   9,300.20x = 12,836.49 × 5,323.61
4. Step 4: Simplify right side
   9,300.20x = 68,336,466.53
5. Step 5: Solve for x
   x = 68,336,466.53/9,300.20
6. Step 6: Final answer
   x = 7,347.85