Finding the Fourth Proportional to 7,470.42, 11,205.72 and 5,982.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,470.42 : 11,205.72 = 5,982.72 : x
2. Step 2: Convert to fraction form
   7,470.42/11,205.72 = 5,982.72/x
3. Step 3: Cross multiply
   7,470.42x = 11,205.72 × 5,982.72
4. Step 4: Simplify right side
   7,470.42x = 67,040,685.16
5. Step 5: Solve for x
   x = 67,040,685.16/7,470.42
6. Step 6: Final answer
   x = 8,974.15