Finding the Fourth Proportional to 1,985.16, 2,739.33 and 1,100.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,985.16 : 2,739.33 = 1,100.73 : x
2. Step 2: Convert to fraction form
   1,985.16/2,739.33 = 1,100.73/x
3. Step 3: Cross multiply
   1,985.16x = 2,739.33 × 1,100.73
4. Step 4: Simplify right side
   1,985.16x = 3,015,262.71
5. Step 5: Solve for x
   x = 3,015,262.71/1,985.16
6. Step 6: Final answer
   x = 1,518.90