Finding the Fourth Proportional to 1,076.15, 1,613.54 and 589.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,076.15 : 1,613.54 = 589.10 : x
2. Step 2: Convert to fraction form
   1,076.15/1,613.54 = 589.10/x
3. Step 3: Cross multiply
   1,076.15x = 1,613.54 × 589.10
4. Step 4: Simplify right side
   1,076.15x = 950,529.82
5. Step 5: Solve for x
   x = 950,529.82/1,076.15
6. Step 6: Final answer
   x = 883.27