Finding the Fourth Proportional to 1,507.50, 2,258.94 and 958

Step by Step Solution

1. Step 1: Write the proportion equation
   1,507.50 : 2,258.94 = 958 : x
2. Step 2: Convert to fraction form
   1,507.50/2,258.94 = 958/x
3. Step 3: Cross multiply
   1,507.50x = 2,258.94 × 958
4. Step 4: Simplify right side
   1,507.50x = 2,164,064.52
5. Step 5: Solve for x
   x = 2,164,064.52/1,507.50
6. Step 6: Final answer
   x = 1,435.53