Finding the Fourth Proportional to 1,303.50, 1,798.83 and 889.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303.50 : 1,798.83 = 889.50 : x
2. Step 2: Convert to fraction form
   1,303.50/1,798.83 = 889.50/x
3. Step 3: Cross multiply
   1,303.50x = 1,798.83 × 889.50
4. Step 4: Simplify right side
   1,303.50x = 1,600,059.29
5. Step 5: Solve for x
   x = 1,600,059.29/1,303.50
6. Step 6: Final answer
   x = 1,227.51