Finding the Fourth Proportional to 1,064.52, 1,596.24 and 718.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064.52 : 1,596.24 = 718.38 : x
2. Step 2: Convert to fraction form
   1,064.52/1,596.24 = 718.38/x
3. Step 3: Cross multiply
   1,064.52x = 1,596.24 × 718.38
4. Step 4: Simplify right side
   1,064.52x = 1,146,706.89
5. Step 5: Solve for x
   x = 1,146,706.89/1,064.52
6. Step 6: Final answer
   x = 1,077.21