Finding the Fourth Proportional to 7,889.76, 10,884.56 and 5,533.44

Step by Step Solution

1. Step 1: Write the proportion equation
   7,889.76 : 10,884.56 = 5,533.44 : x
2. Step 2: Convert to fraction form
   7,889.76/10,884.56 = 5,533.44/x
3. Step 3: Cross multiply
   7,889.76x = 10,884.56 × 5,533.44
4. Step 4: Simplify right side
   7,889.76x = 60,229,059.69
5. Step 5: Solve for x
   x = 60,229,059.69/7,889.76
6. Step 6: Final answer
   x = 7,633.83