Finding the Fourth Proportional to 1,882.58, 2,825.58 and 958.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,882.58 : 2,825.58 = 958.78 : x
2. Step 2: Convert to fraction form
   1,882.58/2,825.58 = 958.78/x
3. Step 3: Cross multiply
   1,882.58x = 2,825.58 × 958.78
4. Step 4: Simplify right side
   1,882.58x = 2,709,109.59
5. Step 5: Solve for x
   x = 2,709,109.59/1,882.58
6. Step 6: Final answer
   x = 1,439.04