Finding the Fourth Proportional to 2,345.56, 3,518.07 and 957.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.56 : 3,518.07 = 957.94 : x
2. Step 2: Convert to fraction form
   2,345.56/3,518.07 = 957.94/x
3. Step 3: Cross multiply
   2,345.56x = 3,518.07 × 957.94
4. Step 4: Simplify right side
   2,345.56x = 3,370,099.98
5. Step 5: Solve for x
   x = 3,370,099.98/2,345.56
6. Step 6: Final answer
   x = 1,436.80