Finding the Fourth Proportional to 2,371.56, 3,272.24 and 1,587.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,371.56 : 3,272.24 = 1,587.89 : x
2. Step 2: Convert to fraction form
   2,371.56/3,272.24 = 1,587.89/x
3. Step 3: Cross multiply
   2,371.56x = 3,272.24 × 1,587.89
4. Step 4: Simplify right side
   2,371.56x = 5,195,932.87
5. Step 5: Solve for x
   x = 5,195,932.87/2,371.56
6. Step 6: Final answer
   x = 2,190.93