Finding the Fourth Proportional to 2,002.27, 2,762.16 and 1,339.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.27 : 2,762.16 = 1,339.30 : x
2. Step 2: Convert to fraction form
   2,002.27/2,762.16 = 1,339.30/x
3. Step 3: Cross multiply
   2,002.27x = 2,762.16 × 1,339.30
4. Step 4: Simplify right side
   2,002.27x = 3,699,360.89
5. Step 5: Solve for x
   x = 3,699,360.89/2,002.27
6. Step 6: Final answer
   x = 1,847.58