Finding the Fourth Proportional to 2,022.45, 3,030.35 and 1,945.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,022.45 : 3,030.35 = 1,945.55 : x
2. Step 2: Convert to fraction form
   2,022.45/3,030.35 = 1,945.55/x
3. Step 3: Cross multiply
   2,022.45x = 3,030.35 × 1,945.55
4. Step 4: Simplify right side
   2,022.45x = 5,895,682.29
5. Step 5: Solve for x
   x = 5,895,682.29/2,022.45
6. Step 6: Final answer
   x = 2,915.13