Finding the Fourth Proportional to 1,969.41, 2,945.90 and 1,384.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,969.41 : 2,945.90 = 1,384.37 : x
2. Step 2: Convert to fraction form
   1,969.41/2,945.90 = 1,384.37/x
3. Step 3: Cross multiply
   1,969.41x = 2,945.90 × 1,384.37
4. Step 4: Simplify right side
   1,969.41x = 4,078,208.66
5. Step 5: Solve for x
   x = 4,078,208.66/1,969.41
6. Step 6: Final answer
   x = 2,070.78