Finding the Fourth Proportional to 1,134.98, 1,565.34 and 958.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,134.98 : 1,565.34 = 958.35 : x
2. Step 2: Convert to fraction form
   1,134.98/1,565.34 = 958.35/x
3. Step 3: Cross multiply
   1,134.98x = 1,565.34 × 958.35
4. Step 4: Simplify right side
   1,134.98x = 1,500,145.87
5. Step 5: Solve for x
   x = 1,500,145.87/1,134.98
6. Step 6: Final answer
   x = 1,321.73