Finding the Fourth Proportional to 1,760.40, 2,428.29 and 1,162.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.40 : 2,428.29 = 1,162.89 : x
2. Step 2: Convert to fraction form
   1,760.40/2,428.29 = 1,162.89/x
3. Step 3: Cross multiply
   1,760.40x = 2,428.29 × 1,162.89
4. Step 4: Simplify right side
   1,760.40x = 2,823,834.16
5. Step 5: Solve for x
   x = 2,823,834.16/1,760.40
6. Step 6: Final answer
   x = 1,604.09