Finding the Fourth Proportional to 1,034.72, 1,427.79 and 586.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,034.72 : 1,427.79 = 586.59 : x
2. Step 2: Convert to fraction form
   1,034.72/1,427.79 = 586.59/x
3. Step 3: Cross multiply
   1,034.72x = 1,427.79 × 586.59
4. Step 4: Simplify right side
   1,034.72x = 837,527.34
5. Step 5: Solve for x
   x = 837,527.34/1,034.72
6. Step 6: Final answer
   x = 809.42