Finding the Fourth Proportional to 8,314.34, 12,466.83 and 3,378.20

Step by Step Solution

1. Step 1: Write the proportion equation
   8,314.34 : 12,466.83 = 3,378.20 : x
2. Step 2: Convert to fraction form
   8,314.34/12,466.83 = 3,378.20/x
3. Step 3: Cross multiply
   8,314.34x = 12,466.83 × 3,378.20
4. Step 4: Simplify right side
   8,314.34x = 42,115,382.77
5. Step 5: Solve for x
   x = 42,115,382.77/8,314.34
6. Step 6: Final answer
   x = 5,065.39