Finding the Fourth Proportional to 1,065.57, 1,470.56 and 593.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.57 : 1,470.56 = 593.50 : x
2. Step 2: Convert to fraction form
   1,065.57/1,470.56 = 593.50/x
3. Step 3: Cross multiply
   1,065.57x = 1,470.56 × 593.50
4. Step 4: Simplify right side
   1,065.57x = 872,777.36
5. Step 5: Solve for x
   x = 872,777.36/1,065.57
6. Step 6: Final answer
   x = 819.07