Finding the Fourth Proportional to 8,910.39, 12,296.03 and 4,931.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.39 : 12,296.03 = 4,931.67 : x
2. Step 2: Convert to fraction form
   8,910.39/12,296.03 = 4,931.67/x
3. Step 3: Cross multiply
   8,910.39x = 12,296.03 × 4,931.67
4. Step 4: Simplify right side
   8,910.39x = 60,639,962.27
5. Step 5: Solve for x
   x = 60,639,962.27/8,910.39
6. Step 6: Final answer
   x = 6,805.53