Finding the Fourth Proportional to 1,485.34, 2,049.86 and 954.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.34 : 2,049.86 = 954.53 : x
2. Step 2: Convert to fraction form
   1,485.34/2,049.86 = 954.53/x
3. Step 3: Cross multiply
   1,485.34x = 2,049.86 × 954.53
4. Step 4: Simplify right side
   1,485.34x = 1,956,658.85
5. Step 5: Solve for x
   x = 1,956,658.85/1,485.34
6. Step 6: Final answer
   x = 1,317.32