Finding the Fourth Proportional to 8,468.72, 11,686.83 and 4,742.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,468.72 : 11,686.83 = 4,742.72 : x
2. Step 2: Convert to fraction form
   8,468.72/11,686.83 = 4,742.72/x
3. Step 3: Cross multiply
   8,468.72x = 11,686.83 × 4,742.72
4. Step 4: Simplify right side
   8,468.72x = 55,427,356.66
5. Step 5: Solve for x
   x = 55,427,356.66/8,468.72
6. Step 6: Final answer
   x = 6,544.95