Finding the Fourth Proportional to 12,804.78, 19,218.06 and 5,019.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,804.78 : 19,218.06 = 5,019.06 : x
2. Step 2: Convert to fraction form
   12,804.78/19,218.06 = 5,019.06/x
3. Step 3: Cross multiply
   12,804.78x = 19,218.06 × 5,019.06
4. Step 4: Simplify right side
   12,804.78x = 96,456,596.22
5. Step 5: Solve for x
   x = 96,456,596.22/12,804.78
6. Step 6: Final answer
   x = 7,532.86