Finding the Fourth Proportional to 12,784.24, 19,179.42 and 4,019.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,784.24 : 19,179.42 = 4,019.16 : x
2. Step 2: Convert to fraction form
   12,784.24/19,179.42 = 4,019.16/x
3. Step 3: Cross multiply
   12,784.24x = 19,179.42 × 4,019.16
4. Step 4: Simplify right side
   12,784.24x = 77,085,157.69
5. Step 5: Solve for x
   x = 77,085,157.69/12,784.24
6. Step 6: Final answer
   x = 6,029.70