Finding the Fourth Proportional to 1,971.89, 2,721.46 and 1,132.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,971.89 : 2,721.46 = 1,132.89 : x
2. Step 2: Convert to fraction form
   1,971.89/2,721.46 = 1,132.89/x
3. Step 3: Cross multiply
   1,971.89x = 2,721.46 × 1,132.89
4. Step 4: Simplify right side
   1,971.89x = 3,083,111.99
5. Step 5: Solve for x
   x = 3,083,111.99/1,971.89
6. Step 6: Final answer
   x = 1,563.54