Finding the Fourth Proportional to 1,760.95, 2,636.82 and 1,142.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.95 : 2,636.82 = 1,142.79 : x
2. Step 2: Convert to fraction form
   1,760.95/2,636.82 = 1,142.79/x
3. Step 3: Cross multiply
   1,760.95x = 2,636.82 × 1,142.79
4. Step 4: Simplify right side
   1,760.95x = 3,013,321.64
5. Step 5: Solve for x
   x = 3,013,321.64/1,760.95
6. Step 6: Final answer
   x = 1,711.19