Finding the Fourth Proportional to 5,481.82, 7,564.90 and 3,123.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,481.82 : 7,564.90 = 3,123.96 : x
2. Step 2: Convert to fraction form
   5,481.82/7,564.90 = 3,123.96/x
3. Step 3: Cross multiply
   5,481.82x = 7,564.90 × 3,123.96
4. Step 4: Simplify right side
   5,481.82x = 23,632,445.00
5. Step 5: Solve for x
   x = 23,632,445.00/5,481.82
6. Step 6: Final answer
   x = 4,311.06