Finding the Fourth Proportional to 9,638.05, 13,303.33 and 5,605.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,638.05 : 13,303.33 = 5,605.82 : x
2. Step 2: Convert to fraction form
   9,638.05/13,303.33 = 5,605.82/x
3. Step 3: Cross multiply
   9,638.05x = 13,303.33 × 5,605.82
4. Step 4: Simplify right side
   9,638.05x = 74,576,092.62
5. Step 5: Solve for x
   x = 74,576,092.62/9,638.05
6. Step 6: Final answer
   x = 7,737.68