Finding the Fourth Proportional to 12,954.89, 17,874.72 and 7,650.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.89 : 17,874.72 = 7,650.50 : x
2. Step 2: Convert to fraction form
   12,954.89/17,874.72 = 7,650.50/x
3. Step 3: Cross multiply
   12,954.89x = 17,874.72 × 7,650.50
4. Step 4: Simplify right side
   12,954.89x = 136,750,455.99
5. Step 5: Solve for x
   x = 136,750,455.99/12,954.89
6. Step 6: Final answer
   x = 10,555.90