Finding the Fourth Proportional to 1,065.15, 1,469.94 and 593.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.15 : 1,469.94 = 593.10 : x
2. Step 2: Convert to fraction form
   1,065.15/1,469.94 = 593.10/x
3. Step 3: Cross multiply
   1,065.15x = 1,469.94 × 593.10
4. Step 4: Simplify right side
   1,065.15x = 871,821.41
5. Step 5: Solve for x
   x = 871,821.41/1,065.15
6. Step 6: Final answer
   x = 818.50