Finding the Fourth Proportional to 2,003.37, 2,764.50 and 1,107.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,003.37 : 2,764.50 = 1,107.11 : x
2. Step 2: Convert to fraction form
   2,003.37/2,764.50 = 1,107.11/x
3. Step 3: Cross multiply
   2,003.37x = 2,764.50 × 1,107.11
4. Step 4: Simplify right side
   2,003.37x = 3,060,602.14
5. Step 5: Solve for x
   x = 3,060,602.14/2,003.37
6. Step 6: Final answer
   x = 1,527.72