Finding the Fourth Proportional to 9,789.56, 13,511.94 and 5,600.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,789.56 : 13,511.94 = 5,600.28 : x
2. Step 2: Convert to fraction form
   9,789.56/13,511.94 = 5,600.28/x
3. Step 3: Cross multiply
   9,789.56x = 13,511.94 × 5,600.28
4. Step 4: Simplify right side
   9,789.56x = 75,670,647.34
5. Step 5: Solve for x
   x = 75,670,647.34/9,789.56
6. Step 6: Final answer
   x = 7,729.73