Finding the Fourth Proportional to 12,834.05, 17,711.06 and 7,797.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,834.05 : 17,711.06 = 7,797.87 : x
2. Step 2: Convert to fraction form
   12,834.05/17,711.06 = 7,797.87/x
3. Step 3: Cross multiply
   12,834.05x = 17,711.06 × 7,797.87
4. Step 4: Simplify right side
   12,834.05x = 138,108,504.45
5. Step 5: Solve for x
   x = 138,108,504.45/12,834.05
6. Step 6: Final answer
   x = 10,761.10