Finding the Fourth Proportional to 1,064.67, 1,595.38 and 716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.67 : 1,595.38 = 716.72 : x
2. Step 2: Convert to fraction form
   1,064.67/1,595.38 = 716.72/x
3. Step 3: Cross multiply
   1,064.67x = 1,595.38 × 716.72
4. Step 4: Simplify right side
   1,064.67x = 1,143,440.75
5. Step 5: Solve for x
   x = 1,143,440.75/1,064.67
6. Step 6: Final answer
   x = 1,073.99