Finding the Fourth Proportional to 6,826.77, 9,427.83 and 5,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,826.77 : 9,427.83 = 5,145.48 : x
2. Step 2: Convert to fraction form
   6,826.77/9,427.83 = 5,145.48/x
3. Step 3: Cross multiply
   6,826.77x = 9,427.83 × 5,145.48
4. Step 4: Simplify right side
   6,826.77x = 48,510,710.71
5. Step 5: Solve for x
   x = 48,510,710.71/6,826.77
6. Step 6: Final answer
   x = 7,105.95