Finding the Fourth Proportional to 1,604.81, 2,394.77 and 1,420.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604.81 : 2,394.77 = 1,420.27 : x
2. Step 2: Convert to fraction form
   1,604.81/2,394.77 = 1,420.27/x
3. Step 3: Cross multiply
   1,604.81x = 2,394.77 × 1,420.27
4. Step 4: Simplify right side
   1,604.81x = 3,401,206.90
5. Step 5: Solve for x
   x = 3,401,206.90/1,604.81
6. Step 6: Final answer
   x = 2,119.38