Finding the Fourth Proportional to 1,590.28, 2,185.33 and 1,327.84

Step by Step Solution

1. Step 1: Write the proportion equation
   1,590.28 : 2,185.33 = 1,327.84 : x
2. Step 2: Convert to fraction form
   1,590.28/2,185.33 = 1,327.84/x
3. Step 3: Cross multiply
   1,590.28x = 2,185.33 × 1,327.84
4. Step 4: Simplify right side
   1,590.28x = 2,901,768.59
5. Step 5: Solve for x
   x = 2,901,768.59/1,590.28
6. Step 6: Final answer
   x = 1,824.69