Finding the Fourth Proportional to 12,318.89, 17,003.10 and 7,016.84

Step by Step Solution

1. Step 1: Write the proportion equation
   12,318.89 : 17,003.10 = 7,016.84 : x
2. Step 2: Convert to fraction form
   12,318.89/17,003.10 = 7,016.84/x
3. Step 3: Cross multiply
   12,318.89x = 17,003.10 × 7,016.84
4. Step 4: Simplify right side
   12,318.89x = 119,307,947.19
5. Step 5: Solve for x
   x = 119,307,947.19/12,318.89
6. Step 6: Final answer
   x = 9,684.96