Finding the Fourth Proportional to 1,100.61, 1,518.84 and 603.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,100.61 : 1,518.84 = 603.27 : x
2. Step 2: Convert to fraction form
   1,100.61/1,518.84 = 603.27/x
3. Step 3: Cross multiply
   1,100.61x = 1,518.84 × 603.27
4. Step 4: Simplify right side
   1,100.61x = 916,270.61
5. Step 5: Solve for x
   x = 916,270.61/1,100.61
6. Step 6: Final answer
   x = 832.51