Finding the Fourth Proportional to 8,771.54, 13,158.61 and 3,224.45

Step by Step Solution

1. Step 1: Write the proportion equation
   8,771.54 : 13,158.61 = 3,224.45 : x
2. Step 2: Convert to fraction form
   8,771.54/13,158.61 = 3,224.45/x
3. Step 3: Cross multiply
   8,771.54x = 13,158.61 × 3,224.45
4. Step 4: Simplify right side
   8,771.54x = 42,429,280.01
5. Step 5: Solve for x
   x = 42,429,280.01/8,771.54
6. Step 6: Final answer
   x = 4,837.15