Finding the Fourth Proportional to 8,483.25, 11,706.89 and 4,945.78

Step by Step Solution

1. Step 1: Write the proportion equation
   8,483.25 : 11,706.89 = 4,945.78 : x
2. Step 2: Convert to fraction form
   8,483.25/11,706.89 = 4,945.78/x
3. Step 3: Cross multiply
   8,483.25x = 11,706.89 × 4,945.78
4. Step 4: Simplify right side
   8,483.25x = 57,899,648.43
5. Step 5: Solve for x
   x = 57,899,648.43/8,483.25
6. Step 6: Final answer
   x = 6,825.17