Finding the Fourth Proportional to 10,826.11, 14,934.82 and 7,639.92

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.11 : 14,934.82 = 7,639.92 : x
2. Step 2: Convert to fraction form
   10,826.11/14,934.82 = 7,639.92/x
3. Step 3: Cross multiply
   10,826.11x = 14,934.82 × 7,639.92
4. Step 4: Simplify right side
   10,826.11x = 114,100,814.50
5. Step 5: Solve for x
   x = 114,100,814.50/10,826.11
6. Step 6: Final answer
   x = 10,539.41