Finding the Fourth Proportional to 2,287.46, 3,157.90 and 1,491.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.46 : 3,157.90 = 1,491.50 : x
2. Step 2: Convert to fraction form
   2,287.46/3,157.90 = 1,491.50/x
3. Step 3: Cross multiply
   2,287.46x = 3,157.90 × 1,491.50
4. Step 4: Simplify right side
   2,287.46x = 4,710,007.85
5. Step 5: Solve for x
   x = 4,710,007.85/2,287.46
6. Step 6: Final answer
   x = 2,059.06