Finding the Fourth Proportional to 8,769.34, 13,155.80 and 3,222.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,769.34 : 13,155.80 = 3,222.74 : x
2. Step 2: Convert to fraction form
   8,769.34/13,155.80 = 3,222.74/x
3. Step 3: Cross multiply
   8,769.34x = 13,155.80 × 3,222.74
4. Step 4: Simplify right side
   8,769.34x = 42,397,722.89
5. Step 5: Solve for x
   x = 42,397,722.89/8,769.34
6. Step 6: Final answer
   x = 4,834.77