Finding the Fourth Proportional to 12,982.05, 17,914.50 and 7,677.36

Step by Step Solution

1. Step 1: Write the proportion equation
   12,982.05 : 17,914.50 = 7,677.36 : x
2. Step 2: Convert to fraction form
   12,982.05/17,914.50 = 7,677.36/x
3. Step 3: Cross multiply
   12,982.05x = 17,914.50 × 7,677.36
4. Step 4: Simplify right side
   12,982.05x = 137,536,065.72
5. Step 5: Solve for x
   x = 137,536,065.72/12,982.05
6. Step 6: Final answer
   x = 10,594.33