Finding the Fourth Proportional to 2,018.55, 3,030.57 and 1,975.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018.55 : 3,030.57 = 1,975.71 : x
2. Step 2: Convert to fraction form
   2,018.55/3,030.57 = 1,975.71/x
3. Step 3: Cross multiply
   2,018.55x = 3,030.57 × 1,975.71
4. Step 4: Simplify right side
   2,018.55x = 5,987,527.45
5. Step 5: Solve for x
   x = 5,987,527.45/2,018.55
6. Step 6: Final answer
   x = 2,966.25