Finding the Fourth Proportional to 1,381.52, 1,906.48 and 760.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.52 : 1,906.48 = 760.52 : x
2. Step 2: Convert to fraction form
   1,381.52/1,906.48 = 760.52/x
3. Step 3: Cross multiply
   1,381.52x = 1,906.48 × 760.52
4. Step 4: Simplify right side
   1,381.52x = 1,449,921.89
5. Step 5: Solve for x
   x = 1,449,921.89/1,381.52
6. Step 6: Final answer
   x = 1,049.51