Finding the Fourth Proportional to 1,505.25, 2,259.77 and 889.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,505.25 : 2,259.77 = 889.38 : x
2. Step 2: Convert to fraction form
   1,505.25/2,259.77 = 889.38/x
3. Step 3: Cross multiply
   1,505.25x = 2,259.77 × 889.38
4. Step 4: Simplify right side
   1,505.25x = 2,009,789.80
5. Step 5: Solve for x
   x = 2,009,789.80/1,505.25
6. Step 6: Final answer
   x = 1,335.19