Finding the Fourth Proportional to 3,419.83, 5,129.78 and 954.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419.83 : 5,129.78 = 954.50 : x
2. Step 2: Convert to fraction form
   3,419.83/5,129.78 = 954.50/x
3. Step 3: Cross multiply
   3,419.83x = 5,129.78 × 954.50
4. Step 4: Simplify right side
   3,419.83x = 4,896,375.01
5. Step 5: Solve for x
   x = 4,896,375.01/3,419.83
6. Step 6: Final answer
   x = 1,431.76