Finding the Fourth Proportional to 1,426.50, 1,967.53 and 953.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.50 : 1,967.53 = 953.57 : x
2. Step 2: Convert to fraction form
   1,426.50/1,967.53 = 953.57/x
3. Step 3: Cross multiply
   1,426.50x = 1,967.53 × 953.57
4. Step 4: Simplify right side
   1,426.50x = 1,876,168.07
5. Step 5: Solve for x
   x = 1,876,168.07/1,426.50
6. Step 6: Final answer
   x = 1,315.22