Finding the Fourth Proportional to 1,077.18, 1,614.15 and 589.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.18 : 1,614.15 = 589.56 : x
2. Step 2: Convert to fraction form
   1,077.18/1,614.15 = 589.56/x
3. Step 3: Cross multiply
   1,077.18x = 1,614.15 × 589.56
4. Step 4: Simplify right side
   1,077.18x = 951,638.27
5. Step 5: Solve for x
   x = 951,638.27/1,077.18
6. Step 6: Final answer
   x = 883.45