Finding the Fourth Proportional to 9,640.89, 14,465.43 and 4,095.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,640.89 : 14,465.43 = 4,095.42 : x
2. Step 2: Convert to fraction form
   9,640.89/14,465.43 = 4,095.42/x
3. Step 3: Cross multiply
   9,640.89x = 14,465.43 × 4,095.42
4. Step 4: Simplify right side
   9,640.89x = 59,242,011.33
5. Step 5: Solve for x
   x = 59,242,011.33/9,640.89
6. Step 6: Final answer
   x = 6,144.87