Finding the Fourth Proportional to 2,374.57, 3,278.12 and 1,491.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,374.57 : 3,278.12 = 1,491.27 : x
2. Step 2: Convert to fraction form
   2,374.57/3,278.12 = 1,491.27/x
3. Step 3: Cross multiply
   2,374.57x = 3,278.12 × 1,491.27
4. Step 4: Simplify right side
   2,374.57x = 4,888,562.01
5. Step 5: Solve for x
   x = 4,888,562.01/2,374.57
6. Step 6: Final answer
   x = 2,058.71