Finding the Fourth Proportional to 2,077.52, 3,112.81 and 1,491.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.52 : 3,112.81 = 1,491.64 : x
2. Step 2: Convert to fraction form
   2,077.52/3,112.81 = 1,491.64/x
3. Step 3: Cross multiply
   2,077.52x = 3,112.81 × 1,491.64
4. Step 4: Simplify right side
   2,077.52x = 4,643,191.91
5. Step 5: Solve for x
   x = 4,643,191.91/2,077.52
6. Step 6: Final answer
   x = 2,234.97