Finding the Fourth Proportional to 8,327.98, 12,485.79 and 5,040.30

Step by Step Solution

1. Step 1: Write the proportion equation
   8,327.98 : 12,485.79 = 5,040.30 : x
2. Step 2: Convert to fraction form
   8,327.98/12,485.79 = 5,040.30/x
3. Step 3: Cross multiply
   8,327.98x = 12,485.79 × 5,040.30
4. Step 4: Simplify right side
   8,327.98x = 62,932,127.34
5. Step 5: Solve for x
   x = 62,932,127.34/8,327.98
6. Step 6: Final answer
   x = 7,556.71