Finding the Fourth Proportional to 1,360.18, 1,877.03 and 762.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.18 : 1,877.03 = 762.73 : x
2. Step 2: Convert to fraction form
   1,360.18/1,877.03 = 762.73/x
3. Step 3: Cross multiply
   1,360.18x = 1,877.03 × 762.73
4. Step 4: Simplify right side
   1,360.18x = 1,431,661.45
5. Step 5: Solve for x
   x = 1,431,661.45/1,360.18
6. Step 6: Final answer
   x = 1,052.55