Finding the Fourth Proportional to 12,674.48, 19,012.84 and 3,314.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,674.48 : 19,012.84 = 3,314.46 : x
2. Step 2: Convert to fraction form
   12,674.48/19,012.84 = 3,314.46/x
3. Step 3: Cross multiply
   12,674.48x = 19,012.84 × 3,314.46
4. Step 4: Simplify right side
   12,674.48x = 63,017,289.38
5. Step 5: Solve for x
   x = 63,017,289.38/12,674.48
6. Step 6: Final answer
   x = 4,971.98