Finding the Fourth Proportional to 1,513.89, 2,270.70 and 889.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.89 : 2,270.70 = 889.52 : x
2. Step 2: Convert to fraction form
   1,513.89/2,270.70 = 889.52/x
3. Step 3: Cross multiply
   1,513.89x = 2,270.70 × 889.52
4. Step 4: Simplify right side
   1,513.89x = 2,019,821.71
5. Step 5: Solve for x
   x = 2,019,821.71/1,513.89
6. Step 6: Final answer
   x = 1,334.19