Finding the Fourth Proportional to 12,716.52, 19,048.86 and 5,317.98

Step by Step Solution

1. Step 1: Write the proportion equation
   12,716.52 : 19,048.86 = 5,317.98 : x
2. Step 2: Convert to fraction form
   12,716.52/19,048.86 = 5,317.98/x
3. Step 3: Cross multiply
   12,716.52x = 19,048.86 × 5,317.98
4. Step 4: Simplify right side
   12,716.52x = 101,301,456.50
5. Step 5: Solve for x
   x = 101,301,456.50/12,716.52
6. Step 6: Final answer
   x = 7,966.13