Finding the Fourth Proportional to 12,438.82, 17,164.27 and 7,059.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,438.82 : 17,164.27 = 7,059.54 : x
2. Step 2: Convert to fraction form
   12,438.82/17,164.27 = 7,059.54/x
3. Step 3: Cross multiply
   12,438.82x = 17,164.27 × 7,059.54
4. Step 4: Simplify right side
   12,438.82x = 121,171,850.64
5. Step 5: Solve for x
   x = 121,171,850.64/12,438.82
6. Step 6: Final answer
   x = 9,741.43