Finding the Fourth Proportional to 19,144.29, 28,716.98 and 5,293.29

Step by Step Solution

1. Step 1: Write the proportion equation
   19,144.29 : 28,716.98 = 5,293.29 : x
2. Step 2: Convert to fraction form
   19,144.29/28,716.98 = 5,293.29/x
3. Step 3: Cross multiply
   19,144.29x = 28,716.98 × 5,293.29
4. Step 4: Simplify right side
   19,144.29x = 152,007,276.60
5. Step 5: Solve for x
   x = 152,007,276.60/19,144.29
6. Step 6: Final answer
   x = 7,940.08