Finding the Fourth Proportional to 1,066.81, 1,472.20 and 601.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.81 : 1,472.20 = 601.06 : x
2. Step 2: Convert to fraction form
   1,066.81/1,472.20 = 601.06/x
3. Step 3: Cross multiply
   1,066.81x = 1,472.20 × 601.06
4. Step 4: Simplify right side
   1,066.81x = 884,880.53
5. Step 5: Solve for x
   x = 884,880.53/1,066.81
6. Step 6: Final answer
   x = 829.46