Finding the Fourth Proportional to 12,719.48, 19,080.46 and 5,326.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,719.48 : 19,080.46 = 5,326.24 : x
2. Step 2: Convert to fraction form
   12,719.48/19,080.46 = 5,326.24/x
3. Step 3: Cross multiply
   12,719.48x = 19,080.46 × 5,326.24
4. Step 4: Simplify right side
   12,719.48x = 101,627,109.27
5. Step 5: Solve for x
   x = 101,627,109.27/12,719.48
6. Step 6: Final answer
   x = 7,989.88