Finding the Fourth Proportional to 8,910.65, 12,296.86 and 4,877.83

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.65 : 12,296.86 = 4,877.83 : x
2. Step 2: Convert to fraction form
   8,910.65/12,296.86 = 4,877.83/x
3. Step 3: Cross multiply
   8,910.65x = 12,296.86 × 4,877.83
4. Step 4: Simplify right side
   8,910.65x = 59,981,995.79
5. Step 5: Solve for x
   x = 59,981,995.79/8,910.65
6. Step 6: Final answer
   x = 6,731.49