Finding the Fourth Proportional to 3,411.57, 5,116.86 and 946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,411.57 : 5,116.86 = 946.56 : x
2. Step 2: Convert to fraction form
   3,411.57/5,116.86 = 946.56/x
3. Step 3: Cross multiply
   3,411.57x = 5,116.86 × 946.56
4. Step 4: Simplify right side
   3,411.57x = 4,843,415.00
5. Step 5: Solve for x
   x = 4,843,415.00/3,411.57
6. Step 6: Final answer
   x = 1,419.70