Finding the Fourth Proportional to 2,010.51, 3,015.81 and 1,143

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.51 : 3,015.81 = 1,143 : x
2. Step 2: Convert to fraction form
   2,010.51/3,015.81 = 1,143/x
3. Step 3: Cross multiply
   2,010.51x = 3,015.81 × 1,143
4. Step 4: Simplify right side
   2,010.51x = 3,447,070.83
5. Step 5: Solve for x
   x = 3,447,070.83/2,010.51
6. Step 6: Final answer
   x = 1,714.53