Finding the Fourth Proportional to 1,010.52, 1,393.56 and 958.68

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.52 : 1,393.56 = 958.68 : x
2. Step 2: Convert to fraction form
   1,010.52/1,393.56 = 958.68/x
3. Step 3: Cross multiply
   1,010.52x = 1,393.56 × 958.68
4. Step 4: Simplify right side
   1,010.52x = 1,335,978.10
5. Step 5: Solve for x
   x = 1,335,978.10/1,010.52
6. Step 6: Final answer
   x = 1,322.07