Finding the Fourth Proportional to 12,674.18, 19,012.38 and 3,314.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,674.18 : 19,012.38 = 3,314.16 : x
2. Step 2: Convert to fraction form
   12,674.18/19,012.38 = 3,314.16/x
3. Step 3: Cross multiply
   12,674.18x = 19,012.38 × 3,314.16
4. Step 4: Simplify right side
   12,674.18x = 63,010,045.83
5. Step 5: Solve for x
   x = 63,010,045.83/12,674.18
6. Step 6: Final answer
   x = 4,971.53