Finding the Fourth Proportional to 1,963.10, 2,940.89 and 1,897.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,963.10 : 2,940.89 = 1,897.15 : x
2. Step 2: Convert to fraction form
   1,963.10/2,940.89 = 1,897.15/x
3. Step 3: Cross multiply
   1,963.10x = 2,940.89 × 1,897.15
4. Step 4: Simplify right side
   1,963.10x = 5,579,285.27
5. Step 5: Solve for x
   x = 5,579,285.27/1,963.10
6. Step 6: Final answer
   x = 2,842.09