Finding the Fourth Proportional to 19,243.75, 28,866.72 and 5,393.83

Step by Step Solution

1. Step 1: Write the proportion equation
   19,243.75 : 28,866.72 = 5,393.83 : x
2. Step 2: Convert to fraction form
   19,243.75/28,866.72 = 5,393.83/x
3. Step 3: Cross multiply
   19,243.75x = 28,866.72 × 5,393.83
4. Step 4: Simplify right side
   19,243.75x = 155,702,180.34
5. Step 5: Solve for x
   x = 155,702,180.34/19,243.75
6. Step 6: Final answer
   x = 8,091.05