Finding the Fourth Proportional to 2,012.59, 3,018.27 and 713.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.59 : 3,018.27 = 713.75 : x
2. Step 2: Convert to fraction form
   2,012.59/3,018.27 = 713.75/x
3. Step 3: Cross multiply
   2,012.59x = 3,018.27 × 713.75
4. Step 4: Simplify right side
   2,012.59x = 2,154,290.21
5. Step 5: Solve for x
   x = 2,154,290.21/2,012.59
6. Step 6: Final answer
   x = 1,070.41