Finding the Fourth Proportional to 12,914.46, 19,354.67 and 5,119.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,914.46 : 19,354.67 = 5,119.02 : x
2. Step 2: Convert to fraction form
   12,914.46/19,354.67 = 5,119.02/x
3. Step 3: Cross multiply
   12,914.46x = 19,354.67 × 5,119.02
4. Step 4: Simplify right side
   12,914.46x = 99,076,942.82
5. Step 5: Solve for x
   x = 99,076,942.82/12,914.46
6. Step 6: Final answer
   x = 7,671.78