Finding the Fourth Proportional to 10,945.50, 15,104.79 and 5,977.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.50 : 15,104.79 = 5,977.50 : x
2. Step 2: Convert to fraction form
   10,945.50/15,104.79 = 5,977.50/x
3. Step 3: Cross multiply
   10,945.50x = 15,104.79 × 5,977.50
4. Step 4: Simplify right side
   10,945.50x = 90,288,882.23
5. Step 5: Solve for x
   x = 90,288,882.23/10,945.50
6. Step 6: Final answer
   x = 8,248.95