Finding the Fourth Proportional to 1,457.64, 2,011.83 and 1,010.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.64 : 2,011.83 = 1,010.73 : x
2. Step 2: Convert to fraction form
   1,457.64/2,011.83 = 1,010.73/x
3. Step 3: Cross multiply
   1,457.64x = 2,011.83 × 1,010.73
4. Step 4: Simplify right side
   1,457.64x = 2,033,404.35
5. Step 5: Solve for x
   x = 2,033,404.35/1,457.64
6. Step 6: Final answer
   x = 1,395.00