Finding the Fourth Proportional to 8,756.61, 13,127.82 and 5,976.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,756.61 : 13,127.82 = 5,976.29 : x
2. Step 2: Convert to fraction form
   8,756.61/13,127.82 = 5,976.29/x
3. Step 3: Cross multiply
   8,756.61x = 13,127.82 × 5,976.29
4. Step 4: Simplify right side
   8,756.61x = 78,455,593.75
5. Step 5: Solve for x
   x = 78,455,593.75/8,756.61
6. Step 6: Final answer
   x = 8,959.59