Finding the Fourth Proportional to 1,513.94, 2,259.96 and 1,405.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,513.94 : 2,259.96 = 1,405.81 : x
2. Step 2: Convert to fraction form
   1,513.94/2,259.96 = 1,405.81/x
3. Step 3: Cross multiply
   1,513.94x = 2,259.96 × 1,405.81
4. Step 4: Simplify right side
   1,513.94x = 3,177,074.37
5. Step 5: Solve for x
   x = 3,177,074.37/1,513.94
6. Step 6: Final answer
   x = 2,098.55