Finding the Fourth Proportional to 9,285.38, 12,814.52 and 5,306.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,285.38 : 12,814.52 = 5,306.42 : x
2. Step 2: Convert to fraction form
   9,285.38/12,814.52 = 5,306.42/x
3. Step 3: Cross multiply
   9,285.38x = 12,814.52 × 5,306.42
4. Step 4: Simplify right side
   9,285.38x = 67,999,225.22
5. Step 5: Solve for x
   x = 67,999,225.22/9,285.38
6. Step 6: Final answer
   x = 7,323.26