Finding the Fourth Proportional to 5,456.72, 7,522.34 and 4,338.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,456.72 : 7,522.34 = 4,338.12 : x
2. Step 2: Convert to fraction form
   5,456.72/7,522.34 = 4,338.12/x
3. Step 3: Cross multiply
   5,456.72x = 7,522.34 × 4,338.12
4. Step 4: Simplify right side
   5,456.72x = 32,632,813.60
5. Step 5: Solve for x
   x = 32,632,813.60/5,456.72
6. Step 6: Final answer
   x = 5,980.30