Finding the Fourth Proportional to 2,045.57, 3,068.33 and 1,945.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,045.57 : 3,068.33 = 1,945.95 : x
2. Step 2: Convert to fraction form
   2,045.57/3,068.33 = 1,945.95/x
3. Step 3: Cross multiply
   2,045.57x = 3,068.33 × 1,945.95
4. Step 4: Simplify right side
   2,045.57x = 5,970,807.03
5. Step 5: Solve for x
   x = 5,970,807.03/2,045.57
6. Step 6: Final answer
   x = 2,918.90