Finding the Fourth Proportional to 9,676.98, 13,353.28 and 5,427.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,676.98 : 13,353.28 = 5,427.04 : x
2. Step 2: Convert to fraction form
   9,676.98/13,353.28 = 5,427.04/x
3. Step 3: Cross multiply
   9,676.98x = 13,353.28 × 5,427.04
4. Step 4: Simplify right side
   9,676.98x = 72,468,784.69
5. Step 5: Solve for x
   x = 72,468,784.69/9,676.98
6. Step 6: Final answer
   x = 7,488.78