Finding the Fourth Proportional to 5,092.72, 7,624.72 and 3,239.28

Step by Step Solution

1. Step 1: Write the proportion equation
   5,092.72 : 7,624.72 = 3,239.28 : x
2. Step 2: Convert to fraction form
   5,092.72/7,624.72 = 3,239.28/x
3. Step 3: Cross multiply
   5,092.72x = 7,624.72 × 3,239.28
4. Step 4: Simplify right side
   5,092.72x = 24,698,603.00
5. Step 5: Solve for x
   x = 24,698,603.00/5,092.72
6. Step 6: Final answer
   x = 4,849.79