Finding the Fourth Proportional to 5,871.22, 8,801.31 and 1,972.89

Step by Step Solution

1. Step 1: Write the proportion equation
   5,871.22 : 8,801.31 = 1,972.89 : x
2. Step 2: Convert to fraction form
   5,871.22/8,801.31 = 1,972.89/x
3. Step 3: Cross multiply
   5,871.22x = 8,801.31 × 1,972.89
4. Step 4: Simplify right side
   5,871.22x = 17,364,016.49
5. Step 5: Solve for x
   x = 17,364,016.49/5,871.22
6. Step 6: Final answer
   x = 2,957.48