Finding the Fourth Proportional to 2,012.14, 3,018.18 and 713.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.14 : 3,018.18 = 713.62 : x
2. Step 2: Convert to fraction form
   2,012.14/3,018.18 = 713.62/x
3. Step 3: Cross multiply
   2,012.14x = 3,018.18 × 713.62
4. Step 4: Simplify right side
   2,012.14x = 2,153,833.61
5. Step 5: Solve for x
   x = 2,153,833.61/2,012.14
6. Step 6: Final answer
   x = 1,070.42