Finding the Fourth Proportional to 1,760.80, 2,429.94 and 1,015

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.80 : 2,429.94 = 1,015 : x
2. Step 2: Convert to fraction form
   1,760.80/2,429.94 = 1,015/x
3. Step 3: Cross multiply
   1,760.80x = 2,429.94 × 1,015
4. Step 4: Simplify right side
   1,760.80x = 2,466,389.10
5. Step 5: Solve for x
   x = 2,466,389.10/1,760.80
6. Step 6: Final answer
   x = 1,400.72