Finding the Fourth Proportional to 1,729.68, 2,591.06 and 1,180.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.68 : 2,591.06 = 1,180.50 : x
2. Step 2: Convert to fraction form
   1,729.68/2,591.06 = 1,180.50/x
3. Step 3: Cross multiply
   1,729.68x = 2,591.06 × 1,180.50
4. Step 4: Simplify right side
   1,729.68x = 3,058,746.33
5. Step 5: Solve for x
   x = 3,058,746.33/1,729.68
6. Step 6: Final answer
   x = 1,768.39