Finding the Fourth Proportional to 1,944, 2,682.72 and 1,116.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,944 : 2,682.72 = 1,116.16 : x
2. Step 2: Convert to fraction form
   1,944/2,682.72 = 1,116.16/x
3. Step 3: Cross multiply
   1,944x = 2,682.72 × 1,116.16
4. Step 4: Simplify right side
   1,944x = 2,994,344.76
5. Step 5: Solve for x
   x = 2,994,344.76/1,944
6. Step 6: Final answer
   x = 1,540.30