Finding the Fourth Proportional to 9,781.92, 14,674.04 and 3,116.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,781.92 : 14,674.04 = 3,116.09 : x
2. Step 2: Convert to fraction form
   9,781.92/14,674.04 = 3,116.09/x
3. Step 3: Cross multiply
   9,781.92x = 14,674.04 × 3,116.09
4. Step 4: Simplify right side
   9,781.92x = 45,725,540.35
5. Step 5: Solve for x
   x = 45,725,540.35/9,781.92
6. Step 6: Final answer
   x = 4,674.50