Finding the Fourth Proportional to 2,010.82, 3,012.12 and 1,491.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.82 : 3,012.12 = 1,491.40 : x
2. Step 2: Convert to fraction form
   2,010.82/3,012.12 = 1,491.40/x
3. Step 3: Cross multiply
   2,010.82x = 3,012.12 × 1,491.40
4. Step 4: Simplify right side
   2,010.82x = 4,492,275.77
5. Step 5: Solve for x
   x = 4,492,275.77/2,010.82
6. Step 6: Final answer
   x = 2,234.05