Finding the Fourth Proportional to 3,146.88, 4,718.52 and 954.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,146.88 : 4,718.52 = 954.96 : x
2. Step 2: Convert to fraction form
   3,146.88/4,718.52 = 954.96/x
3. Step 3: Cross multiply
   3,146.88x = 4,718.52 × 954.96
4. Step 4: Simplify right side
   3,146.88x = 4,505,997.86
5. Step 5: Solve for x
   x = 4,505,997.86/3,146.88
6. Step 6: Final answer
   x = 1,431.89