Finding the Fourth Proportional to 6,779.25, 9,357.89 and 5,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,779.25 : 9,357.89 = 5,105.52 : x
2. Step 2: Convert to fraction form
   6,779.25/9,357.89 = 5,105.52/x
3. Step 3: Cross multiply
   6,779.25x = 9,357.89 × 5,105.52
4. Step 4: Simplify right side
   6,779.25x = 47,776,869.03
5. Step 5: Solve for x
   x = 47,776,869.03/6,779.25
6. Step 6: Final answer
   x = 7,047.52