Finding the Fourth Proportional to 8,953.38, 12,355.79 and 4,974.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,953.38 : 12,355.79 = 4,974.89 : x
2. Step 2: Convert to fraction form
   8,953.38/12,355.79 = 4,974.89/x
3. Step 3: Cross multiply
   8,953.38x = 12,355.79 × 4,974.89
4. Step 4: Simplify right side
   8,953.38x = 61,468,609.46
5. Step 5: Solve for x
   x = 61,468,609.46/8,953.38
6. Step 6: Final answer
   x = 6,865.41