Finding the Fourth Proportional to 12,317.96, 16,998.83 and 7,012.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,317.96 : 16,998.83 = 7,012.80 : x
2. Step 2: Convert to fraction form
   12,317.96/16,998.83 = 7,012.80/x
3. Step 3: Cross multiply
   12,317.96x = 16,998.83 × 7,012.80
4. Step 4: Simplify right side
   12,317.96x = 119,209,359.96
5. Step 5: Solve for x
   x = 119,209,359.96/12,317.96
6. Step 6: Final answer
   x = 9,677.69