Finding the Fourth Proportional to 2,011.87, 3,016.74 and 1,457.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,011.87 : 3,016.74 = 1,457.39 : x
2. Step 2: Convert to fraction form
   2,011.87/3,016.74 = 1,457.39/x
3. Step 3: Cross multiply
   2,011.87x = 3,016.74 × 1,457.39
4. Step 4: Simplify right side
   2,011.87x = 4,396,579.72
5. Step 5: Solve for x
   x = 4,396,579.72/2,011.87
6. Step 6: Final answer
   x = 2,185.32