Finding the Fourth Proportional to 6,900.26, 10,338.24 and 4,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.26 : 10,338.24 = 4,118.72 : x
2. Step 2: Convert to fraction form
   6,900.26/10,338.24 = 4,118.72/x
3. Step 3: Cross multiply
   6,900.26x = 10,338.24 × 4,118.72
4. Step 4: Simplify right side
   6,900.26x = 42,580,315.85
5. Step 5: Solve for x
   x = 42,580,315.85/6,900.26
6. Step 6: Final answer
   x = 6,170.83