Finding the Fourth Proportional to 1,760.31, 2,429.33 and 974.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.31 : 2,429.33 = 974.34 : x
2. Step 2: Convert to fraction form
   1,760.31/2,429.33 = 974.34/x
3. Step 3: Cross multiply
   1,760.31x = 2,429.33 × 974.34
4. Step 4: Simplify right side
   1,760.31x = 2,366,988.52
5. Step 5: Solve for x
   x = 2,366,988.52/1,760.31
6. Step 6: Final answer
   x = 1,344.64