Finding the Fourth Proportional to 1,596.76, 2,377.79 and 1,591

Step by Step Solution

1. Step 1: Write the proportion equation
   1,596.76 : 2,377.79 = 1,591 : x
2. Step 2: Convert to fraction form
   1,596.76/2,377.79 = 1,591/x
3. Step 3: Cross multiply
   1,596.76x = 2,377.79 × 1,591
4. Step 4: Simplify right side
   1,596.76x = 3,783,063.89
5. Step 5: Solve for x
   x = 3,783,063.89/1,596.76
6. Step 6: Final answer
   x = 2,369.21