Finding the Fourth Proportional to 2,014.86, 2,780.47 and 1,130.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.86 : 2,780.47 = 1,130.69 : x
2. Step 2: Convert to fraction form
   2,014.86/2,780.47 = 1,130.69/x
3. Step 3: Cross multiply
   2,014.86x = 2,780.47 × 1,130.69
4. Step 4: Simplify right side
   2,014.86x = 3,143,849.62
5. Step 5: Solve for x
   x = 3,143,849.62/2,014.86
6. Step 6: Final answer
   x = 1,560.33