Finding the Fourth Proportional to 2,275.83, 3,140.67 and 1,489.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,275.83 : 3,140.67 = 1,489.88 : x
2. Step 2: Convert to fraction form
   2,275.83/3,140.67 = 1,489.88/x
3. Step 3: Cross multiply
   2,275.83x = 3,140.67 × 1,489.88
4. Step 4: Simplify right side
   2,275.83x = 4,679,205.72
5. Step 5: Solve for x
   x = 4,679,205.72/2,275.83
6. Step 6: Final answer
   x = 2,056.04