Finding the Fourth Proportional to 2,009.53, 2,772.90 and 1,113.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.53 : 2,772.90 = 1,113.20 : x
2. Step 2: Convert to fraction form
   2,009.53/2,772.90 = 1,113.20/x
3. Step 3: Cross multiply
   2,009.53x = 2,772.90 × 1,113.20
4. Step 4: Simplify right side
   2,009.53x = 3,086,778.42
5. Step 5: Solve for x
   x = 3,086,778.42/2,009.53
6. Step 6: Final answer
   x = 1,536.07