Finding the Fourth Proportional to 9,020.30, 12,442.48 and 5,828.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,020.30 : 12,442.48 = 5,828.42 : x
2. Step 2: Convert to fraction form
   9,020.30/12,442.48 = 5,828.42/x
3. Step 3: Cross multiply
   9,020.30x = 12,442.48 × 5,828.42
4. Step 4: Simplify right side
   9,020.30x = 72,519,999.28
5. Step 5: Solve for x
   x = 72,519,999.28/9,020.30
6. Step 6: Final answer
   x = 8,039.64