Finding the Fourth Proportional to 12,677.25, 17,494.23 and 7,012.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,677.25 : 17,494.23 = 7,012.22 : x
2. Step 2: Convert to fraction form
   12,677.25/17,494.23 = 7,012.22/x
3. Step 3: Cross multiply
   12,677.25x = 17,494.23 × 7,012.22
4. Step 4: Simplify right side
   12,677.25x = 122,673,345.76
5. Step 5: Solve for x
   x = 122,673,345.76/12,677.25
6. Step 6: Final answer
   x = 9,676.66