Finding the Fourth Proportional to 10,144.17, 15,218.42 and 4,300.65

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.17 : 15,218.42 = 4,300.65 : x
2. Step 2: Convert to fraction form
   10,144.17/15,218.42 = 4,300.65/x
3. Step 3: Cross multiply
   10,144.17x = 15,218.42 × 4,300.65
4. Step 4: Simplify right side
   10,144.17x = 65,449,076.47
5. Step 5: Solve for x
   x = 65,449,076.47/10,144.17
6. Step 6: Final answer
   x = 6,451.89