Finding the Fourth Proportional to 2,592.87, 3,880 and 1,491.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.87 : 3,880 = 1,491.83 : x
2. Step 2: Convert to fraction form
   2,592.87/3,880 = 1,491.83/x
3. Step 3: Cross multiply
   2,592.87x = 3,880 × 1,491.83
4. Step 4: Simplify right side
   2,592.87x = 5,788,300.40
5. Step 5: Solve for x
   x = 5,788,300.40/2,592.87
6. Step 6: Final answer
   x = 2,232.39