Finding the Fourth Proportional to 7,808.58, 10,779.75 and 5,303.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,808.58 : 10,779.75 = 5,303.94 : x
2. Step 2: Convert to fraction form
   7,808.58/10,779.75 = 5,303.94/x
3. Step 3: Cross multiply
   7,808.58x = 10,779.75 × 5,303.94
4. Step 4: Simplify right side
   7,808.58x = 57,175,147.22
5. Step 5: Solve for x
   x = 57,175,147.22/7,808.58
6. Step 6: Final answer
   x = 7,322.09