Finding the Fourth Proportional to 1,078.28, 1,618.62 and 592.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,078.28 : 1,618.62 = 592.52 : x
2. Step 2: Convert to fraction form
   1,078.28/1,618.62 = 592.52/x
3. Step 3: Cross multiply
   1,078.28x = 1,618.62 × 592.52
4. Step 4: Simplify right side
   1,078.28x = 959,064.72
5. Step 5: Solve for x
   x = 959,064.72/1,078.28
6. Step 6: Final answer
   x = 889.44