Finding the Fourth Proportional to 2,427.57, 3,353.70 and 1,590.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,427.57 : 3,353.70 = 1,590.27 : x
2. Step 2: Convert to fraction form
   2,427.57/3,353.70 = 1,590.27/x
3. Step 3: Cross multiply
   2,427.57x = 3,353.70 × 1,590.27
4. Step 4: Simplify right side
   2,427.57x = 5,333,281.89
5. Step 5: Solve for x
   x = 5,333,281.89/2,427.57
6. Step 6: Final answer
   x = 2,196.96