Finding the Fourth Proportional to 1,004.37, 1,386.05 and 606.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,004.37 : 1,386.05 = 606.06 : x
2. Step 2: Convert to fraction form
   1,004.37/1,386.05 = 606.06/x
3. Step 3: Cross multiply
   1,004.37x = 1,386.05 × 606.06
4. Step 4: Simplify right side
   1,004.37x = 840,022.53
5. Step 5: Solve for x
   x = 840,022.53/1,004.37
6. Step 6: Final answer
   x = 836.37