Finding the Fourth Proportional to 867.42, 1,196.69 and 552.60

Step by Step Solution

1. Step 1: Write the proportion equation
   867.42 : 1,196.69 = 552.60 : x
2. Step 2: Convert to fraction form
   867.42/1,196.69 = 552.60/x
3. Step 3: Cross multiply
   867.42x = 1,196.69 × 552.60
4. Step 4: Simplify right side
   867.42x = 661,290.89
5. Step 5: Solve for x
   x = 661,290.89/867.42
6. Step 6: Final answer
   x = 762.37