Finding the Fourth Proportional to 7,922.74, 10,930.27 and 5,089.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,922.74 : 10,930.27 = 5,089.72 : x
2. Step 2: Convert to fraction form
   7,922.74/10,930.27 = 5,089.72/x
3. Step 3: Cross multiply
   7,922.74x = 10,930.27 × 5,089.72
4. Step 4: Simplify right side
   7,922.74x = 55,632,013.82
5. Step 5: Solve for x
   x = 55,632,013.82/7,922.74
6. Step 6: Final answer
   x = 7,021.81