Finding the Fourth Proportional to 1,406.52, 1,940.40 and 958.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,406.52 : 1,940.40 = 958.32 : x
2. Step 2: Convert to fraction form
   1,406.52/1,940.40 = 958.32/x
3. Step 3: Cross multiply
   1,406.52x = 1,940.40 × 958.32
4. Step 4: Simplify right side
   1,406.52x = 1,859,524.13
5. Step 5: Solve for x
   x = 1,859,524.13/1,406.52
6. Step 6: Final answer
   x = 1,322.07