Finding the Fourth Proportional to 3,410.89, 5,116.32 and 945.71

Step by Step Solution

1. Step 1: Write the proportion equation
   3,410.89 : 5,116.32 = 945.71 : x
2. Step 2: Convert to fraction form
   3,410.89/5,116.32 = 945.71/x
3. Step 3: Cross multiply
   3,410.89x = 5,116.32 × 945.71
4. Step 4: Simplify right side
   3,410.89x = 4,838,554.99
5. Step 5: Solve for x
   x = 4,838,554.99/3,410.89
6. Step 6: Final answer
   x = 1,418.56