Finding the Fourth Proportional to 12,974.73, 17,905.79 and 7,937.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.73 : 17,905.79 = 7,937.37 : x
2. Step 2: Convert to fraction form
   12,974.73/17,905.79 = 7,937.37/x
3. Step 3: Cross multiply
   12,974.73x = 17,905.79 × 7,937.37
4. Step 4: Simplify right side
   12,974.73x = 142,124,880.37
5. Step 5: Solve for x
   x = 142,124,880.37/12,974.73
6. Step 6: Final answer
   x = 10,953.98