Finding the Fourth Proportional to 12,647.74, 18,968.01 and 3,762.71

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647.74 : 18,968.01 = 3,762.71 : x
2. Step 2: Convert to fraction form
   12,647.74/18,968.01 = 3,762.71/x
3. Step 3: Cross multiply
   12,647.74x = 18,968.01 × 3,762.71
4. Step 4: Simplify right side
   12,647.74x = 71,371,120.91
5. Step 5: Solve for x
   x = 71,371,120.91/12,647.74
6. Step 6: Final answer
   x = 5,642.99