Finding the Fourth Proportional to 8,913.66, 12,300.70 and 4,934.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,913.66 : 12,300.70 = 4,934.69 : x
2. Step 2: Convert to fraction form
   8,913.66/12,300.70 = 4,934.69/x
3. Step 3: Cross multiply
   8,913.66x = 12,300.70 × 4,934.69
4. Step 4: Simplify right side
   8,913.66x = 60,700,141.28
5. Step 5: Solve for x
   x = 60,700,141.28/8,913.66
6. Step 6: Final answer
   x = 6,809.79