Finding the Fourth Proportional to 3,914.78, 5,872.12 and 953.24

Step by Step Solution

1. Step 1: Write the proportion equation
   3,914.78 : 5,872.12 = 953.24 : x
2. Step 2: Convert to fraction form
   3,914.78/5,872.12 = 953.24/x
3. Step 3: Cross multiply
   3,914.78x = 5,872.12 × 953.24
4. Step 4: Simplify right side
   3,914.78x = 5,597,507.93
5. Step 5: Solve for x
   x = 5,597,507.93/3,914.78
6. Step 6: Final answer
   x = 1,429.84