Finding the Fourth Proportional to 12,719.92, 19,075.83 and 5,323

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.92 : 19,075.83 = 5,323 : x
2. Step 2: Convert to fraction form
   12,719.92/19,075.83 = 5,323/x
3. Step 3: Cross multiply
   12,719.92x = 19,075.83 × 5,323
4. Step 4: Simplify right side
   12,719.92x = 101,540,643.09
5. Step 5: Solve for x
   x = 101,540,643.09/12,719.92
6. Step 6: Final answer
   x = 7,982.81