Finding the Fourth Proportional to 1,801.29, 2,485.76 and 1,015.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.29 : 2,485.76 = 1,015.59 : x
2. Step 2: Convert to fraction form
   1,801.29/2,485.76 = 1,015.59/x
3. Step 3: Cross multiply
   1,801.29x = 2,485.76 × 1,015.59
4. Step 4: Simplify right side
   1,801.29x = 2,524,513.00
5. Step 5: Solve for x
   x = 2,524,513.00/1,801.29
6. Step 6: Final answer
   x = 1,401.50