Finding the Fourth Proportional to 1,760.64, 2,429.57 and 974.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.64 : 2,429.57 = 974.63 : x
2. Step 2: Convert to fraction form
   1,760.64/2,429.57 = 974.63/x
3. Step 3: Cross multiply
   1,760.64x = 2,429.57 × 974.63
4. Step 4: Simplify right side
   1,760.64x = 2,367,922.10
5. Step 5: Solve for x
   x = 2,367,922.10/1,760.64
6. Step 6: Final answer
   x = 1,344.92