Finding the Fourth Proportional to 8,308.10, 12,461.88 and 3,376.28

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.10 : 12,461.88 = 3,376.28 : x
2. Step 2: Convert to fraction form
   8,308.10/12,461.88 = 3,376.28/x
3. Step 3: Cross multiply
   8,308.10x = 12,461.88 × 3,376.28
4. Step 4: Simplify right side
   8,308.10x = 42,074,796.21
5. Step 5: Solve for x
   x = 42,074,796.21/8,308.10
6. Step 6: Final answer
   x = 5,064.31