Finding the Fourth Proportional to 10,145.93, 14,005.69 and 6,168.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.93 : 14,005.69 = 6,168.31 : x
2. Step 2: Convert to fraction form
   10,145.93/14,005.69 = 6,168.31/x
3. Step 3: Cross multiply
   10,145.93x = 14,005.69 × 6,168.31
4. Step 4: Simplify right side
   10,145.93x = 86,391,387.25
5. Step 5: Solve for x
   x = 86,391,387.25/10,145.93
6. Step 6: Final answer
   x = 8,514.89