Finding the Fourth Proportional to 2,014.89, 2,780.54 and 1,130.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.89 : 2,780.54 = 1,130.70 : x
2. Step 2: Convert to fraction form
   2,014.89/2,780.54 = 1,130.70/x
3. Step 3: Cross multiply
   2,014.89x = 2,780.54 × 1,130.70
4. Step 4: Simplify right side
   2,014.89x = 3,143,956.58
5. Step 5: Solve for x
   x = 3,143,956.58/2,014.89
6. Step 6: Final answer
   x = 1,560.36