Finding the Fourth Proportional to 2,670.79, 3,685.75 and 1,491.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.79 : 3,685.75 = 1,491.86 : x
2. Step 2: Convert to fraction form
   2,670.79/3,685.75 = 1,491.86/x
3. Step 3: Cross multiply
   2,670.79x = 3,685.75 × 1,491.86
4. Step 4: Simplify right side
   2,670.79x = 5,498,628.48
5. Step 5: Solve for x
   x = 5,498,628.48/2,670.79
6. Step 6: Final answer
   x = 2,058.80