Finding the Fourth Proportional to 2,405.85, 3,320.30 and 1,510.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405.85 : 3,320.30 = 1,510.23 : x
2. Step 2: Convert to fraction form
   2,405.85/3,320.30 = 1,510.23/x
3. Step 3: Cross multiply
   2,405.85x = 3,320.30 × 1,510.23
4. Step 4: Simplify right side
   2,405.85x = 5,014,409.12
5. Step 5: Solve for x
   x = 5,014,409.12/2,405.85
6. Step 6: Final answer
   x = 2,084.26