Finding the Fourth Proportional to 8,747.76, 13,116.83 and 5,977.56

Step by Step Solution

1. Step 1: Write the proportion equation
   8,747.76 : 13,116.83 = 5,977.56 : x
2. Step 2: Convert to fraction form
   8,747.76/13,116.83 = 5,977.56/x
3. Step 3: Cross multiply
   8,747.76x = 13,116.83 × 5,977.56
4. Step 4: Simplify right side
   8,747.76x = 78,406,638.33
5. Step 5: Solve for x
   x = 78,406,638.33/8,747.76
6. Step 6: Final answer
   x = 8,963.05