Finding the Fourth Proportional to 1,035.16, 1,428.72 and 593.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,035.16 : 1,428.72 = 593.36 : x
2. Step 2: Convert to fraction form
   1,035.16/1,428.72 = 593.36/x
3. Step 3: Cross multiply
   1,035.16x = 1,428.72 × 593.36
4. Step 4: Simplify right side
   1,035.16x = 847,738.16
5. Step 5: Solve for x
   x = 847,738.16/1,035.16
6. Step 6: Final answer
   x = 818.95