Finding the Fourth Proportional to 3,548.69, 4,896.37 and 2,131.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,548.69 : 4,896.37 = 2,131.90 : x
2. Step 2: Convert to fraction form
   3,548.69/4,896.37 = 2,131.90/x
3. Step 3: Cross multiply
   3,548.69x = 4,896.37 × 2,131.90
4. Step 4: Simplify right side
   3,548.69x = 10,438,571.20
5. Step 5: Solve for x
   x = 10,438,571.20/3,548.69
6. Step 6: Final answer
   x = 2,941.53