Finding the Fourth Proportional to 8,946.72, 13,404.92 and 5,476.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,946.72 : 13,404.92 = 5,476.72 : x
2. Step 2: Convert to fraction form
   8,946.72/13,404.92 = 5,476.72/x
3. Step 3: Cross multiply
   8,946.72x = 13,404.92 × 5,476.72
4. Step 4: Simplify right side
   8,946.72x = 73,414,993.46
5. Step 5: Solve for x
   x = 73,414,993.46/8,946.72
6. Step 6: Final answer
   x = 8,205.80