Finding the Fourth Proportional to 1,972.30, 2,721.86 and 1,133.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.30 : 2,721.86 = 1,133.27 : x
2. Step 2: Convert to fraction form
   1,972.30/2,721.86 = 1,133.27/x
3. Step 3: Cross multiply
   1,972.30x = 2,721.86 × 1,133.27
4. Step 4: Simplify right side
   1,972.30x = 3,084,607.67
5. Step 5: Solve for x
   x = 3,084,607.67/1,972.30
6. Step 6: Final answer
   x = 1,563.96