Finding the Fourth Proportional to 8,151.27, 12,219.57 and 2,953.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,151.27 : 12,219.57 = 2,953.50 : x
2. Step 2: Convert to fraction form
   8,151.27/12,219.57 = 2,953.50/x
3. Step 3: Cross multiply
   8,151.27x = 12,219.57 × 2,953.50
4. Step 4: Simplify right side
   8,151.27x = 36,090,500.00
5. Step 5: Solve for x
   x = 36,090,500.00/8,151.27
6. Step 6: Final answer
   x = 4,427.59