Finding the Fourth Proportional to 12,762.27, 19,144.32 and 3,402.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,762.27 : 19,144.32 = 3,402.24 : x
2. Step 2: Convert to fraction form
   12,762.27/19,144.32 = 3,402.24/x
3. Step 3: Cross multiply
   12,762.27x = 19,144.32 × 3,402.24
4. Step 4: Simplify right side
   12,762.27x = 65,133,581.85
5. Step 5: Solve for x
   x = 65,133,581.85/12,762.27
6. Step 6: Final answer
   x = 5,103.60