Finding the Fourth Proportional to 1,760.76, 2,429.91 and 974.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,760.76 : 2,429.91 = 974.88 : x
2. Step 2: Convert to fraction form
   1,760.76/2,429.91 = 974.88/x
3. Step 3: Cross multiply
   1,760.76x = 2,429.91 × 974.88
4. Step 4: Simplify right side
   1,760.76x = 2,368,870.66
5. Step 5: Solve for x
   x = 2,368,870.66/1,760.76
6. Step 6: Final answer
   x = 1,345.37