Finding the Fourth Proportional to 12,318.50, 16,995.24 and 7,474.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,318.50 : 16,995.24 = 7,474.76 : x
2. Step 2: Convert to fraction form
   12,318.50/16,995.24 = 7,474.76/x
3. Step 3: Cross multiply
   12,318.50x = 16,995.24 × 7,474.76
4. Step 4: Simplify right side
   12,318.50x = 127,035,255.17
5. Step 5: Solve for x
   x = 127,035,255.17/12,318.50
6. Step 6: Final answer
   x = 10,312.56