Finding the Fourth Proportional to 1,259.98, 1,738.88 and 736.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,259.98 : 1,738.88 = 736.18 : x
2. Step 2: Convert to fraction form
   1,259.98/1,738.88 = 736.18/x
3. Step 3: Cross multiply
   1,259.98x = 1,738.88 × 736.18
4. Step 4: Simplify right side
   1,259.98x = 1,280,123.41
5. Step 5: Solve for x
   x = 1,280,123.41/1,259.98
6. Step 6: Final answer
   x = 1,015.99