Finding the Fourth Proportional to 1,065.31, 1,470.14 and 599.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065.31 : 1,470.14 = 599.56 : x
2. Step 2: Convert to fraction form
   1,065.31/1,470.14 = 599.56/x
3. Step 3: Cross multiply
   1,065.31x = 1,470.14 × 599.56
4. Step 4: Simplify right side
   1,065.31x = 881,442.31
5. Step 5: Solve for x
   x = 881,442.31/1,065.31
6. Step 6: Final answer
   x = 827.40