Finding the Fourth Proportional to 1,760.28, 2,429.15 and 974.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.28 : 2,429.15 = 974.31 : x
2. Step 2: Convert to fraction form
   1,760.28/2,429.15 = 974.31/x
3. Step 3: Cross multiply
   1,760.28x = 2,429.15 × 974.31
4. Step 4: Simplify right side
   1,760.28x = 2,366,740.26
5. Step 5: Solve for x
   x = 2,366,740.26/1,760.28
6. Step 6: Final answer
   x = 1,344.52