Finding the Fourth Proportional to 1,269.55, 1,749.98 and 954.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269.55 : 1,749.98 = 954.37 : x
2. Step 2: Convert to fraction form
   1,269.55/1,749.98 = 954.37/x
3. Step 3: Cross multiply
   1,269.55x = 1,749.98 × 954.37
4. Step 4: Simplify right side
   1,269.55x = 1,670,128.41
5. Step 5: Solve for x
   x = 1,670,128.41/1,269.55
6. Step 6: Final answer
   x = 1,315.53