Finding the Fourth Proportional to 3,525.05, 5,290.24 and 2,411.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,525.05 : 5,290.24 = 2,411.81 : x
2. Step 2: Convert to fraction form
   3,525.05/5,290.24 = 2,411.81/x
3. Step 3: Cross multiply
   3,525.05x = 5,290.24 × 2,411.81
4. Step 4: Simplify right side
   3,525.05x = 12,759,053.73
5. Step 5: Solve for x
   x = 12,759,053.73/3,525.05
6. Step 6: Final answer
   x = 3,619.54