Finding the Fourth Proportional to 9,976.69, 14,945.88 and 5,580.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,976.69 : 14,945.88 = 5,580.82 : x
2. Step 2: Convert to fraction form
   9,976.69/14,945.88 = 5,580.82/x
3. Step 3: Cross multiply
   9,976.69x = 14,945.88 × 5,580.82
4. Step 4: Simplify right side
   9,976.69x = 83,410,266.02
5. Step 5: Solve for x
   x = 83,410,266.02/9,976.69
6. Step 6: Final answer
   x = 8,360.51