Finding the Fourth Proportional to 2,013.41, 2,778.63 and 1,129.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,013.41 : 2,778.63 = 1,129.27 : x
2. Step 2: Convert to fraction form
   2,013.41/2,778.63 = 1,129.27/x
3. Step 3: Cross multiply
   2,013.41x = 2,778.63 × 1,129.27
4. Step 4: Simplify right side
   2,013.41x = 3,137,812.89
5. Step 5: Solve for x
   x = 3,137,812.89/2,013.41
6. Step 6: Final answer
   x = 1,558.46