Finding the Fourth Proportional to 5,790.31, 7,986.55 and 3,553.27

Step by Step Solution

1. Step 1: Write the proportion equation
   5,790.31 : 7,986.55 = 3,553.27 : x
2. Step 2: Convert to fraction form
   5,790.31/7,986.55 = 3,553.27/x
3. Step 3: Cross multiply
   5,790.31x = 7,986.55 × 3,553.27
4. Step 4: Simplify right side
   5,790.31x = 28,378,368.52
5. Step 5: Solve for x
   x = 28,378,368.52/5,790.31
6. Step 6: Final answer
   x = 4,901.01