Finding the Fourth Proportional to 9,331.52, 12,876.57 and 5,553.54

Step by Step Solution

1. Step 1: Write the proportion equation
   9,331.52 : 12,876.57 = 5,553.54 : x
2. Step 2: Convert to fraction form
   9,331.52/12,876.57 = 5,553.54/x
3. Step 3: Cross multiply
   9,331.52x = 12,876.57 × 5,553.54
4. Step 4: Simplify right side
   9,331.52x = 71,510,546.56
5. Step 5: Solve for x
   x = 71,510,546.56/9,331.52
6. Step 6: Final answer
   x = 7,663.34