Finding the Fourth Proportional to 2,345.81, 3,519.99 and 958.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,345.81 : 3,519.99 = 958.82 : x
2. Step 2: Convert to fraction form
   2,345.81/3,519.99 = 958.82/x
3. Step 3: Cross multiply
   2,345.81x = 3,519.99 × 958.82
4. Step 4: Simplify right side
   2,345.81x = 3,375,019.21
5. Step 5: Solve for x
   x = 3,375,019.21/2,345.81
6. Step 6: Final answer
   x = 1,438.75