Finding the Fourth Proportional to 12,380.22, 17,082.90 and 7,074

Step by Step Solution

1. Step 1: Write the proportion equation
   12,380.22 : 17,082.90 = 7,074 : x
2. Step 2: Convert to fraction form
   12,380.22/17,082.90 = 7,074/x
3. Step 3: Cross multiply
   12,380.22x = 17,082.90 × 7,074
4. Step 4: Simplify right side
   12,380.22x = 120,844,434.60
5. Step 5: Solve for x
   x = 120,844,434.60/12,380.22
6. Step 6: Final answer
   x = 9,761.09