Finding the Fourth Proportional to 1,984.81, 2,739.12 and 1,100.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.81 : 2,739.12 = 1,100.61 : x
2. Step 2: Convert to fraction form
   1,984.81/2,739.12 = 1,100.61/x
3. Step 3: Cross multiply
   1,984.81x = 2,739.12 × 1,100.61
4. Step 4: Simplify right side
   1,984.81x = 3,014,690.51
5. Step 5: Solve for x
   x = 3,014,690.51/1,984.81
6. Step 6: Final answer
   x = 1,518.88