Finding the Fourth Proportional to 8,308.17, 12,461.04 and 3,114.05

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.17 : 12,461.04 = 3,114.05 : x
2. Step 2: Convert to fraction form
   8,308.17/12,461.04 = 3,114.05/x
3. Step 3: Cross multiply
   8,308.17x = 12,461.04 × 3,114.05
4. Step 4: Simplify right side
   8,308.17x = 38,804,239.31
5. Step 5: Solve for x
   x = 38,804,239.31/8,308.17
6. Step 6: Final answer
   x = 4,670.61