Finding the Fourth Proportional to 2,014.42, 2,780.01 and 1,130.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,014.42 : 2,780.01 = 1,130.20 : x
2. Step 2: Convert to fraction form
   2,014.42/2,780.01 = 1,130.20/x
3. Step 3: Cross multiply
   2,014.42x = 2,780.01 × 1,130.20
4. Step 4: Simplify right side
   2,014.42x = 3,141,967.30
5. Step 5: Solve for x
   x = 3,141,967.30/2,014.42
6. Step 6: Final answer
   x = 1,559.74