Finding the Fourth Proportional to 2,108.02, 3,163.71 and 953.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.02 : 3,163.71 = 953.86 : x
2. Step 2: Convert to fraction form
   2,108.02/3,163.71 = 953.86/x
3. Step 3: Cross multiply
   2,108.02x = 3,163.71 × 953.86
4. Step 4: Simplify right side
   2,108.02x = 3,017,736.42
5. Step 5: Solve for x
   x = 3,017,736.42/2,108.02
6. Step 6: Final answer
   x = 1,431.55