Finding the Fourth Proportional to 2,007.45, 2,770.18 and 1,111.14

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.45 : 2,770.18 = 1,111.14 : x
2. Step 2: Convert to fraction form
   2,007.45/2,770.18 = 1,111.14/x
3. Step 3: Cross multiply
   2,007.45x = 2,770.18 × 1,111.14
4. Step 4: Simplify right side
   2,007.45x = 3,078,055.03
5. Step 5: Solve for x
   x = 3,078,055.03/2,007.45
6. Step 6: Final answer
   x = 1,533.32