Finding the Fourth Proportional to 12,974.29, 17,904.54 and 7,671.73

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.29 : 17,904.54 = 7,671.73 : x
2. Step 2: Convert to fraction form
   12,974.29/17,904.54 = 7,671.73/x
3. Step 3: Cross multiply
   12,974.29x = 17,904.54 × 7,671.73
4. Step 4: Simplify right side
   12,974.29x = 137,358,796.65
5. Step 5: Solve for x
   x = 137,358,796.65/12,974.29
6. Step 6: Final answer
   x = 10,587.00