Finding the Fourth Proportional to 1,760.58, 2,429.72 and 974.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.58 : 2,429.72 = 974.60 : x
2. Step 2: Convert to fraction form
   1,760.58/2,429.72 = 974.60/x
3. Step 3: Cross multiply
   1,760.58x = 2,429.72 × 974.60
4. Step 4: Simplify right side
   1,760.58x = 2,368,005.11
5. Step 5: Solve for x
   x = 2,368,005.11/1,760.58
6. Step 6: Final answer
   x = 1,345.01