Finding the Fourth Proportional to 2,405.67, 3,602.25 and 2,061.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.67 : 3,602.25 = 2,061.21 : x
2. Step 2: Convert to fraction form
   2,405.67/3,602.25 = 2,061.21/x
3. Step 3: Cross multiply
   2,405.67x = 3,602.25 × 2,061.21
4. Step 4: Simplify right side
   2,405.67x = 7,424,993.72
5. Step 5: Solve for x
   x = 7,424,993.72/2,405.67
6. Step 6: Final answer
   x = 3,086.46