Finding the Fourth Proportional to 12,974.72, 19,468.42 and 8,043.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.72 : 19,468.42 = 8,043.04 : x
2. Step 2: Convert to fraction form
   12,974.72/19,468.42 = 8,043.04/x
3. Step 3: Cross multiply
   12,974.72x = 19,468.42 × 8,043.04
4. Step 4: Simplify right side
   12,974.72x = 156,585,280.80
5. Step 5: Solve for x
   x = 156,585,280.80/12,974.72
6. Step 6: Final answer
   x = 12,068.49