Finding the Fourth Proportional to 5,481.29, 7,570.31 and 3,709.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,481.29 : 7,570.31 = 3,709.82 : x
2. Step 2: Convert to fraction form
   5,481.29/7,570.31 = 3,709.82/x
3. Step 3: Cross multiply
   5,481.29x = 7,570.31 × 3,709.82
4. Step 4: Simplify right side
   5,481.29x = 28,084,487.82
5. Step 5: Solve for x
   x = 28,084,487.82/5,481.29
6. Step 6: Final answer
   x = 5,123.70