Finding the Fourth Proportional to 1,065.42, 1,470.15 and 593.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.42 : 1,470.15 = 593.28 : x
2. Step 2: Convert to fraction form
   1,065.42/1,470.15 = 593.28/x
3. Step 3: Cross multiply
   1,065.42x = 1,470.15 × 593.28
4. Step 4: Simplify right side
   1,065.42x = 872,210.59
5. Step 5: Solve for x
   x = 872,210.59/1,065.42
6. Step 6: Final answer
   x = 818.65