Finding the Fourth Proportional to 10,826.61, 16,246.28 and 6,877.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,826.61 : 16,246.28 = 6,877.69 : x
2. Step 2: Convert to fraction form
   10,826.61/16,246.28 = 6,877.69/x
3. Step 3: Cross multiply
   10,826.61x = 16,246.28 × 6,877.69
4. Step 4: Simplify right side
   10,826.61x = 111,736,843.10
5. Step 5: Solve for x
   x = 111,736,843.10/10,826.61
6. Step 6: Final answer
   x = 10,320.58