Finding the Fourth Proportional to 6,977.42, 10,449.72 and 5,506.73

Step by Step Solution

1. Step 1: Write the proportion equation
   6,977.42 : 10,449.72 = 5,506.73 : x
2. Step 2: Convert to fraction form
   6,977.42/10,449.72 = 5,506.73/x
3. Step 3: Cross multiply
   6,977.42x = 10,449.72 × 5,506.73
4. Step 4: Simplify right side
   6,977.42x = 57,543,734.37
5. Step 5: Solve for x
   x = 57,543,734.37/6,977.42
6. Step 6: Final answer
   x = 8,247.14