Finding the Fourth Proportional to 2,010.05, 3,014.81 and 712.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.05 : 3,014.81 = 712.43 : x
2. Step 2: Convert to fraction form
   2,010.05/3,014.81 = 712.43/x
3. Step 3: Cross multiply
   2,010.05x = 3,014.81 × 712.43
4. Step 4: Simplify right side
   2,010.05x = 2,147,837.53
5. Step 5: Solve for x
   x = 2,147,837.53/2,010.05
6. Step 6: Final answer
   x = 1,068.55