Finding the Fourth Proportional to 7,826.94, 10,801.68 and 5,139.75

Step by Step Solution

1. Step 1: Write the proportion equation
   7,826.94 : 10,801.68 = 5,139.75 : x
2. Step 2: Convert to fraction form
   7,826.94/10,801.68 = 5,139.75/x
3. Step 3: Cross multiply
   7,826.94x = 10,801.68 × 5,139.75
4. Step 4: Simplify right side
   7,826.94x = 55,517,934.78
5. Step 5: Solve for x
   x = 55,517,934.78/7,826.94
6. Step 6: Final answer
   x = 7,093.19