Finding the Fourth Proportional to 2,461.16, 3,395.40 and 1,577.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,461.16 : 3,395.40 = 1,577.48 : x
2. Step 2: Convert to fraction form
   2,461.16/3,395.40 = 1,577.48/x
3. Step 3: Cross multiply
   2,461.16x = 3,395.40 × 1,577.48
4. Step 4: Simplify right side
   2,461.16x = 5,356,175.59
5. Step 5: Solve for x
   x = 5,356,175.59/2,461.16
6. Step 6: Final answer
   x = 2,176.28