Finding the Fourth Proportional to 2,654.43, 3,661.86 and 1,591.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,654.43 : 3,661.86 = 1,591.70 : x
2. Step 2: Convert to fraction form
   2,654.43/3,661.86 = 1,591.70/x
3. Step 3: Cross multiply
   2,654.43x = 3,661.86 × 1,591.70
4. Step 4: Simplify right side
   2,654.43x = 5,828,564.25
5. Step 5: Solve for x
   x = 5,828,564.25/2,654.43
6. Step 6: Final answer
   x = 2,195.79