Finding the Fourth Proportional to 2,051.31, 2,830.88 and 1,119.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,051.31 : 2,830.88 = 1,119.81 : x
2. Step 2: Convert to fraction form
   2,051.31/2,830.88 = 1,119.81/x
3. Step 3: Cross multiply
   2,051.31x = 2,830.88 × 1,119.81
4. Step 4: Simplify right side
   2,051.31x = 3,170,047.73
5. Step 5: Solve for x
   x = 3,170,047.73/2,051.31
6. Step 6: Final answer
   x = 1,545.38