Finding the Fourth Proportional to 2,670.25, 3,684.85 and 1,491.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,670.25 : 3,684.85 = 1,491.30 : x
2. Step 2: Convert to fraction form
   2,670.25/3,684.85 = 1,491.30/x
3. Step 3: Cross multiply
   2,670.25x = 3,684.85 × 1,491.30
4. Step 4: Simplify right side
   2,670.25x = 5,495,216.81
5. Step 5: Solve for x
   x = 5,495,216.81/2,670.25
6. Step 6: Final answer
   x = 2,057.94