Finding the Fourth Proportional to 2,331.51, 3,216.71 and 1,584.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.51 : 3,216.71 = 1,584.18 : x
2. Step 2: Convert to fraction form
   2,331.51/3,216.71 = 1,584.18/x
3. Step 3: Cross multiply
   2,331.51x = 3,216.71 × 1,584.18
4. Step 4: Simplify right side
   2,331.51x = 5,095,839.73
5. Step 5: Solve for x
   x = 5,095,839.73/2,331.51
6. Step 6: Final answer
   x = 2,185.64