Finding the Fourth Proportional to 8,304.77, 12,454.72 and 3,109.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,304.77 : 12,454.72 = 3,109.43 : x
2. Step 2: Convert to fraction form
   8,304.77/12,454.72 = 3,109.43/x
3. Step 3: Cross multiply
   8,304.77x = 12,454.72 × 3,109.43
4. Step 4: Simplify right side
   8,304.77x = 38,727,080.01
5. Step 5: Solve for x
   x = 38,727,080.01/8,304.77
6. Step 6: Final answer
   x = 4,663.23