Finding the Fourth Proportional to 12,974.50, 17,904.83 and 7,385.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,974.50 : 17,904.83 = 7,385.50 : x
2. Step 2: Convert to fraction form
   12,974.50/17,904.83 = 7,385.50/x
3. Step 3: Cross multiply
   12,974.50x = 17,904.83 × 7,385.50
4. Step 4: Simplify right side
   12,974.50x = 132,236,121.97
5. Step 5: Solve for x
   x = 132,236,121.97/12,974.50
6. Step 6: Final answer
   x = 10,192.00