Finding the Fourth Proportional to 1,425.54, 1,965.28 and 953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.54 : 1,965.28 = 953.50 : x
2. Step 2: Convert to fraction form
   1,425.54/1,965.28 = 953.50/x
3. Step 3: Cross multiply
   1,425.54x = 1,965.28 × 953.50
4. Step 4: Simplify right side
   1,425.54x = 1,873,894.48
5. Step 5: Solve for x
   x = 1,873,894.48/1,425.54
6. Step 6: Final answer
   x = 1,314.52