Finding the Fourth Proportional to 1,300.61, 1,949.54 and 889.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300.61 : 1,949.54 = 889.63 : x
2. Step 2: Convert to fraction form
   1,300.61/1,949.54 = 889.63/x
3. Step 3: Cross multiply
   1,300.61x = 1,949.54 × 889.63
4. Step 4: Simplify right side
   1,300.61x = 1,734,367.05
5. Step 5: Solve for x
   x = 1,734,367.05/1,300.61
6. Step 6: Final answer
   x = 1,333.51