Finding the Fourth Proportional to 3,419.03, 5,128.56 and 953.92

Step by Step Solution

1. Step 1: Write the proportion equation
   3,419.03 : 5,128.56 = 953.92 : x
2. Step 2: Convert to fraction form
   3,419.03/5,128.56 = 953.92/x
3. Step 3: Cross multiply
   3,419.03x = 5,128.56 × 953.92
4. Step 4: Simplify right side
   3,419.03x = 4,892,242.37
5. Step 5: Solve for x
   x = 4,892,242.37/3,419.03
6. Step 6: Final answer
   x = 1,430.89