Finding the Fourth Proportional to 1,100.17, 1,518.25 and 602.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.17 : 1,518.25 = 602.83 : x
2. Step 2: Convert to fraction form
   1,100.17/1,518.25 = 602.83/x
3. Step 3: Cross multiply
   1,100.17x = 1,518.25 × 602.83
4. Step 4: Simplify right side
   1,100.17x = 915,240.56
5. Step 5: Solve for x
   x = 915,240.56/1,100.17
6. Step 6: Final answer
   x = 831.91