Finding the Fourth Proportional to 2,461.93, 3,396.61 and 1,578.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.93 : 3,396.61 = 1,578.22 : x
2. Step 2: Convert to fraction form
   2,461.93/3,396.61 = 1,578.22/x
3. Step 3: Cross multiply
   2,461.93x = 3,396.61 × 1,578.22
4. Step 4: Simplify right side
   2,461.93x = 5,360,597.83
5. Step 5: Solve for x
   x = 5,360,597.83/2,461.93
6. Step 6: Final answer
   x = 2,177.40