Finding the Fourth Proportional to 9,576.56, 13,215.61 and 5,384.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,576.56 : 13,215.61 = 5,384.81 : x
2. Step 2: Convert to fraction form
   9,576.56/13,215.61 = 5,384.81/x
3. Step 3: Cross multiply
   9,576.56x = 13,215.61 × 5,384.81
4. Step 4: Simplify right side
   9,576.56x = 71,163,548.88
5. Step 5: Solve for x
   x = 71,163,548.88/9,576.56
6. Step 6: Final answer
   x = 7,431.01