Finding the Fourth Proportional to 1,760.69, 2,429.78 and 974.75

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.69 : 2,429.78 = 974.75 : x
2. Step 2: Convert to fraction form
   1,760.69/2,429.78 = 974.75/x
3. Step 3: Cross multiply
   1,760.69x = 2,429.78 × 974.75
4. Step 4: Simplify right side
   1,760.69x = 2,368,411.03
5. Step 5: Solve for x
   x = 2,368,411.03/1,760.69
6. Step 6: Final answer
   x = 1,345.16