Finding the Fourth Proportional to 2,345.83, 3,518.64 and 958.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.83 : 3,518.64 = 958.70 : x
2. Step 2: Convert to fraction form
   2,345.83/3,518.64 = 958.70/x
3. Step 3: Cross multiply
   2,345.83x = 3,518.64 × 958.70
4. Step 4: Simplify right side
   2,345.83x = 3,373,328.96
5. Step 5: Solve for x
   x = 3,373,328.96/2,345.83
6. Step 6: Final answer
   x = 1,438.01