Finding the Fourth Proportional to 12,379.37, 17,083.58 and 7,074.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,379.37 : 17,083.58 = 7,074.36 : x
2. Step 2: Convert to fraction form
   12,379.37/17,083.58 = 7,074.36/x
3. Step 3: Cross multiply
   12,379.37x = 17,083.58 × 7,074.36
4. Step 4: Simplify right side
   12,379.37x = 120,855,359.64
5. Step 5: Solve for x
   x = 120,855,359.64/12,379.37
6. Step 6: Final answer
   x = 9,762.65