Finding the Fourth Proportional to 7,923.76, 10,930.41 and 5,091.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,923.76 : 10,930.41 = 5,091.56 : x
2. Step 2: Convert to fraction form
   7,923.76/10,930.41 = 5,091.56/x
3. Step 3: Cross multiply
   7,923.76x = 10,930.41 × 5,091.56
4. Step 4: Simplify right side
   7,923.76x = 55,652,838.34
5. Step 5: Solve for x
   x = 55,652,838.34/7,923.76
6. Step 6: Final answer
   x = 7,023.54