Finding the Fourth Proportional to 2,141.50, 2,952.42 and 1,922.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,141.50 : 2,952.42 = 1,922.80 : x
2. Step 2: Convert to fraction form
   2,141.50/2,952.42 = 1,922.80/x
3. Step 3: Cross multiply
   2,141.50x = 2,952.42 × 1,922.80
4. Step 4: Simplify right side
   2,141.50x = 5,676,913.18
5. Step 5: Solve for x
   x = 5,676,913.18/2,141.50
6. Step 6: Final answer
   x = 2,650.91