Finding the Fourth Proportional to 12,647.14, 17,454.81 and 7,058.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,647.14 : 17,454.81 = 7,058.50 : x
2. Step 2: Convert to fraction form
   12,647.14/17,454.81 = 7,058.50/x
3. Step 3: Cross multiply
   12,647.14x = 17,454.81 × 7,058.50
4. Step 4: Simplify right side
   12,647.14x = 123,204,776.39
5. Step 5: Solve for x
   x = 123,204,776.39/12,647.14
6. Step 6: Final answer
   x = 9,741.71