Finding the Fourth Proportional to 1,972.49, 2,722.12 and 1,133.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.49 : 2,722.12 = 1,133.46 : x
2. Step 2: Convert to fraction form
   1,972.49/2,722.12 = 1,133.46/x
3. Step 3: Cross multiply
   1,972.49x = 2,722.12 × 1,133.46
4. Step 4: Simplify right side
   1,972.49x = 3,085,411.30
5. Step 5: Solve for x
   x = 3,085,411.30/1,972.49
6. Step 6: Final answer
   x = 1,564.23