Finding the Fourth Proportional to 1,064.89, 1,593.32 and 956.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.89 : 1,593.32 = 956.98 : x
2. Step 2: Convert to fraction form
   1,064.89/1,593.32 = 956.98/x
3. Step 3: Cross multiply
   1,064.89x = 1,593.32 × 956.98
4. Step 4: Simplify right side
   1,064.89x = 1,524,775.37
5. Step 5: Solve for x
   x = 1,524,775.37/1,064.89
6. Step 6: Final answer
   x = 1,431.86