Finding the Fourth Proportional to 8,910.22, 12,296.06 and 4,931.10

Step by Step Solution

1. Step 1: Write the proportion equation
   8,910.22 : 12,296.06 = 4,931.10 : x
2. Step 2: Convert to fraction form
   8,910.22/12,296.06 = 4,931.10/x
3. Step 3: Cross multiply
   8,910.22x = 12,296.06 × 4,931.10
4. Step 4: Simplify right side
   8,910.22x = 60,633,101.47
5. Step 5: Solve for x
   x = 60,633,101.47/8,910.22
6. Step 6: Final answer
   x = 6,804.89