Finding the Fourth Proportional to 1,381.54, 1,906.52 and 760.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.54 : 1,906.52 = 760.54 : x
2. Step 2: Convert to fraction form
   1,381.54/1,906.52 = 760.54/x
3. Step 3: Cross multiply
   1,381.54x = 1,906.52 × 760.54
4. Step 4: Simplify right side
   1,381.54x = 1,449,984.72
5. Step 5: Solve for x
   x = 1,449,984.72/1,381.54
6. Step 6: Final answer
   x = 1,049.54