Finding the Fourth Proportional to 1,760.40, 2,429.42 and 974.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.40 : 2,429.42 = 974.45 : x
2. Step 2: Convert to fraction form
   1,760.40/2,429.42 = 974.45/x
3. Step 3: Cross multiply
   1,760.40x = 2,429.42 × 974.45
4. Step 4: Simplify right side
   1,760.40x = 2,367,349.52
5. Step 5: Solve for x
   x = 2,367,349.52/1,760.40
6. Step 6: Final answer
   x = 1,344.78