Finding the Fourth Proportional to 3,410.52, 5,115.76 and 945.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.52 : 5,115.76 = 945.34 : x
2. Step 2: Convert to fraction form
   3,410.52/5,115.76 = 945.34/x
3. Step 3: Cross multiply
   3,410.52x = 5,115.76 × 945.34
4. Step 4: Simplify right side
   3,410.52x = 4,836,132.56
5. Step 5: Solve for x
   x = 4,836,132.56/3,410.52
6. Step 6: Final answer
   x = 1,418.00