Finding the Fourth Proportional to 1,760.76, 2,429.98 and 974.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.76 : 2,429.98 = 974.86 : x
2. Step 2: Convert to fraction form
   1,760.76/2,429.98 = 974.86/x
3. Step 3: Cross multiply
   1,760.76x = 2,429.98 × 974.86
4. Step 4: Simplify right side
   1,760.76x = 2,368,890.90
5. Step 5: Solve for x
   x = 2,368,890.90/1,760.76
6. Step 6: Final answer
   x = 1,345.38