Finding the Fourth Proportional to 8,314.02, 12,466.17 and 3,120.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.02 : 12,466.17 = 3,120.30 : x
2. Step 2: Convert to fraction form
   8,314.02/12,466.17 = 3,120.30/x
3. Step 3: Cross multiply
   8,314.02x = 12,466.17 × 3,120.30
4. Step 4: Simplify right side
   8,314.02x = 38,898,190.25
5. Step 5: Solve for x
   x = 38,898,190.25/8,314.02
6. Step 6: Final answer
   x = 4,678.63