Finding the Fourth Proportional to 1,360.49, 1,877.41 and 771.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.49 : 1,877.41 = 771.04 : x
2. Step 2: Convert to fraction form
   1,360.49/1,877.41 = 771.04/x
3. Step 3: Cross multiply
   1,360.49x = 1,877.41 × 771.04
4. Step 4: Simplify right side
   1,360.49x = 1,447,551.59
5. Step 5: Solve for x
   x = 1,447,551.59/1,360.49
6. Step 6: Final answer
   x = 1,064.00