Finding the Fourth Proportional to 8,976.56, 12,386.72 and 4,997.23

Step by Step Solution

1. Step 1: Write the proportion equation
   8,976.56 : 12,386.72 = 4,997.23 : x
2. Step 2: Convert to fraction form
   8,976.56/12,386.72 = 4,997.23/x
3. Step 3: Cross multiply
   8,976.56x = 12,386.72 × 4,997.23
4. Step 4: Simplify right side
   8,976.56x = 61,899,270.31
5. Step 5: Solve for x
   x = 61,899,270.31/8,976.56
6. Step 6: Final answer
   x = 6,895.66