Finding the Fourth Proportional to 12,484.34, 17,227.41 and 7,178.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,484.34 : 17,227.41 = 7,178.14 : x
2. Step 2: Convert to fraction form
   12,484.34/17,227.41 = 7,178.14/x
3. Step 3: Cross multiply
   12,484.34x = 17,227.41 × 7,178.14
4. Step 4: Simplify right side
   12,484.34x = 123,660,760.82
5. Step 5: Solve for x
   x = 123,660,760.82/12,484.34
6. Step 6: Final answer
   x = 9,905.27