Finding the Fourth Proportional to 1,010.32, 1,394.31 and 590.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,010.32 : 1,394.31 = 590.56 : x
2. Step 2: Convert to fraction form
   1,010.32/1,394.31 = 590.56/x
3. Step 3: Cross multiply
   1,010.32x = 1,394.31 × 590.56
4. Step 4: Simplify right side
   1,010.32x = 823,423.71
5. Step 5: Solve for x
   x = 823,423.71/1,010.32
6. Step 6: Final answer
   x = 815.01