Finding the Fourth Proportional to 1,168.29, 1,611.73 and 670.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,168.29 : 1,611.73 = 670.81 : x
2. Step 2: Convert to fraction form
   1,168.29/1,611.73 = 670.81/x
3. Step 3: Cross multiply
   1,168.29x = 1,611.73 × 670.81
4. Step 4: Simplify right side
   1,168.29x = 1,081,164.60
5. Step 5: Solve for x
   x = 1,081,164.60/1,168.29
6. Step 6: Final answer
   x = 925.42