Finding the Fourth Proportional to 1,457.00, 2,010.72 and 889.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,457.00 : 2,010.72 = 889.71 : x
2. Step 2: Convert to fraction form
   1,457.00/2,010.72 = 889.71/x
3. Step 3: Cross multiply
   1,457.00x = 2,010.72 × 889.71
4. Step 4: Simplify right side
   1,457.00x = 1,788,948.92
5. Step 5: Solve for x
   x = 1,788,948.92/1,457.00
6. Step 6: Final answer
   x = 1,227.83