Finding the Fourth Proportional to 2,141.66, 2,960.42 and 1,969.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.66 : 2,960.42 = 1,969.45 : x
2. Step 2: Convert to fraction form
   2,141.66/2,960.42 = 1,969.45/x
3. Step 3: Cross multiply
   2,141.66x = 2,960.42 × 1,969.45
4. Step 4: Simplify right side
   2,141.66x = 5,830,381.92
5. Step 5: Solve for x
   x = 5,830,381.92/2,141.66
6. Step 6: Final answer
   x = 2,722.36