Finding the Fourth Proportional to 2,679.02, 4,012.47 and 1,293.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,679.02 : 4,012.47 = 1,293.37 : x
2. Step 2: Convert to fraction form
   2,679.02/4,012.47 = 1,293.37/x
3. Step 3: Cross multiply
   2,679.02x = 4,012.47 × 1,293.37
4. Step 4: Simplify right side
   2,679.02x = 5,189,608.32
5. Step 5: Solve for x
   x = 5,189,608.32/2,679.02
6. Step 6: Final answer
   x = 1,937.13