Finding the Fourth Proportional to 2,009.20, 3,017.14 and 1,355.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.20 : 3,017.14 = 1,355.29 : x
2. Step 2: Convert to fraction form
   2,009.20/3,017.14 = 1,355.29/x
3. Step 3: Cross multiply
   2,009.20x = 3,017.14 × 1,355.29
4. Step 4: Simplify right side
   2,009.20x = 4,089,094.03
5. Step 5: Solve for x
   x = 4,089,094.03/2,009.20
6. Step 6: Final answer
   x = 2,035.18