Finding the Fourth Proportional to 2,007.63, 2,770.50 and 1,111.44

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.63 : 2,770.50 = 1,111.44 : x
2. Step 2: Convert to fraction form
   2,007.63/2,770.50 = 1,111.44/x
3. Step 3: Cross multiply
   2,007.63x = 2,770.50 × 1,111.44
4. Step 4: Simplify right side
   2,007.63x = 3,079,244.52
5. Step 5: Solve for x
   x = 3,079,244.52/2,007.63
6. Step 6: Final answer
   x = 1,533.77