Finding the Fourth Proportional to 1,064.70, 1,469.56 and 953.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.70 : 1,469.56 = 953.98 : x
2. Step 2: Convert to fraction form
   1,064.70/1,469.56 = 953.98/x
3. Step 3: Cross multiply
   1,064.70x = 1,469.56 × 953.98
4. Step 4: Simplify right side
   1,064.70x = 1,401,934.84
5. Step 5: Solve for x
   x = 1,401,934.84/1,064.70
6. Step 6: Final answer
   x = 1,316.74