Finding the Fourth Proportional to 2,331.56, 3,215.49 and 1,800.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.56 : 3,215.49 = 1,800.47 : x
2. Step 2: Convert to fraction form
   2,331.56/3,215.49 = 1,800.47/x
3. Step 3: Cross multiply
   2,331.56x = 3,215.49 × 1,800.47
4. Step 4: Simplify right side
   2,331.56x = 5,789,393.28
5. Step 5: Solve for x
   x = 5,789,393.28/2,331.56
6. Step 6: Final answer
   x = 2,483.06