Finding the Fourth Proportional to 1,760.79, 2,429.86 and 974.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.79 : 2,429.86 = 974.82 : x
2. Step 2: Convert to fraction form
   1,760.79/2,429.86 = 974.82/x
3. Step 3: Cross multiply
   1,760.79x = 2,429.86 × 974.82
4. Step 4: Simplify right side
   1,760.79x = 2,368,676.13
5. Step 5: Solve for x
   x = 2,368,676.13/1,760.79
6. Step 6: Final answer
   x = 1,345.23