Finding the Fourth Proportional to 2,670.68, 3,685.70 and 1,491.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.68 : 3,685.70 = 1,491.83 : x
2. Step 2: Convert to fraction form
   2,670.68/3,685.70 = 1,491.83/x
3. Step 3: Cross multiply
   2,670.68x = 3,685.70 × 1,491.83
4. Step 4: Simplify right side
   2,670.68x = 5,498,411.94
5. Step 5: Solve for x
   x = 5,498,411.94/2,670.68
6. Step 6: Final answer
   x = 2,058.81