Finding the Fourth Proportional to 1,111.16, 1,673.27 and 968.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.16 : 1,673.27 = 968.60 : x
2. Step 2: Convert to fraction form
   1,111.16/1,673.27 = 968.60/x
3. Step 3: Cross multiply
   1,111.16x = 1,673.27 × 968.60
4. Step 4: Simplify right side
   1,111.16x = 1,620,729.32
5. Step 5: Solve for x
   x = 1,620,729.32/1,111.16
6. Step 6: Final answer
   x = 1,458.59