Finding the Fourth Proportional to 9,620.18, 14,431.42 and 9,095.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,620.18 : 14,431.42 = 9,095.30 : x
2. Step 2: Convert to fraction form
   9,620.18/14,431.42 = 9,095.30/x
3. Step 3: Cross multiply
   9,620.18x = 14,431.42 × 9,095.30
4. Step 4: Simplify right side
   9,620.18x = 131,258,094.33
5. Step 5: Solve for x
   x = 131,258,094.33/9,620.18
6. Step 6: Final answer
   x = 13,644.04