Finding the Fourth Proportional to 1,065.23, 1,469.88 and 593.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.23 : 1,469.88 = 593.03 : x
2. Step 2: Convert to fraction form
   1,065.23/1,469.88 = 593.03/x
3. Step 3: Cross multiply
   1,065.23x = 1,469.88 × 593.03
4. Step 4: Simplify right side
   1,065.23x = 871,686.61
5. Step 5: Solve for x
   x = 871,686.61/1,065.23
6. Step 6: Final answer
   x = 818.31