Finding the Fourth Proportional to 9,779.82, 13,496.04 and 5,303.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,779.82 : 13,496.04 = 5,303.49 : x
2. Step 2: Convert to fraction form
   9,779.82/13,496.04 = 5,303.49/x
3. Step 3: Cross multiply
   9,779.82x = 13,496.04 × 5,303.49
4. Step 4: Simplify right side
   9,779.82x = 71,576,113.18
5. Step 5: Solve for x
   x = 71,576,113.18/9,779.82
6. Step 6: Final answer
   x = 7,318.76