Finding the Fourth Proportional to 2,012.30, 3,018.15 and 713.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.30 : 3,018.15 = 713.46 : x
2. Step 2: Convert to fraction form
   2,012.30/3,018.15 = 713.46/x
3. Step 3: Cross multiply
   2,012.30x = 3,018.15 × 713.46
4. Step 4: Simplify right side
   2,012.30x = 2,153,329.30
5. Step 5: Solve for x
   x = 2,153,329.30/2,012.30
6. Step 6: Final answer
   x = 1,070.08