Finding the Fourth Proportional to 9,345.06, 14,016.20 and 3,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.06 : 14,016.20 = 3,105.18 : x
2. Step 2: Convert to fraction form
   9,345.06/14,016.20 = 3,105.18/x
3. Step 3: Cross multiply
   9,345.06x = 14,016.20 × 3,105.18
4. Step 4: Simplify right side
   9,345.06x = 43,522,808.39
5. Step 5: Solve for x
   x = 43,522,808.39/9,345.06
6. Step 6: Final answer
   x = 4,657.31