Finding the Fourth Proportional to 2,009.31, 2,772.72 and 1,125.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,009.31 : 2,772.72 = 1,125.11 : x
2. Step 2: Convert to fraction form
   2,009.31/2,772.72 = 1,125.11/x
3. Step 3: Cross multiply
   2,009.31x = 2,772.72 × 1,125.11
4. Step 4: Simplify right side
   2,009.31x = 3,119,615.00
5. Step 5: Solve for x
   x = 3,119,615.00/2,009.31
6. Step 6: Final answer
   x = 1,552.58