Finding the Fourth Proportional to 3,019.02, 4,535.48 and 2,131.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.02 : 4,535.48 = 2,131.60 : x
2. Step 2: Convert to fraction form
   3,019.02/4,535.48 = 2,131.60/x
3. Step 3: Cross multiply
   3,019.02x = 4,535.48 × 2,131.60
4. Step 4: Simplify right side
   3,019.02x = 9,667,829.17
5. Step 5: Solve for x
   x = 9,667,829.17/3,019.02
6. Step 6: Final answer
   x = 3,202.31