Finding the Fourth Proportional to 12,380.03, 17,084.19 and 7,074.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.03 : 17,084.19 = 7,074.12 : x
2. Step 2: Convert to fraction form
   12,380.03/17,084.19 = 7,074.12/x
3. Step 3: Cross multiply
   12,380.03x = 17,084.19 × 7,074.12
4. Step 4: Simplify right side
   12,380.03x = 120,855,610.16
5. Step 5: Solve for x
   x = 120,855,610.16/12,380.03
6. Step 6: Final answer
   x = 9,762.15