Finding the Fourth Proportional to 2,014.91, 2,780.70 and 1,130.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.91 : 2,780.70 = 1,130.76 : x
2. Step 2: Convert to fraction form
   2,014.91/2,780.70 = 1,130.76/x
3. Step 3: Cross multiply
   2,014.91x = 2,780.70 × 1,130.76
4. Step 4: Simplify right side
   2,014.91x = 3,144,304.33
5. Step 5: Solve for x
   x = 3,144,304.33/2,014.91
6. Step 6: Final answer
   x = 1,560.52