Finding the Fourth Proportional to 8,770.77, 13,157.89 and 3,224.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,770.77 : 13,157.89 = 3,224.16 : x
2. Step 2: Convert to fraction form
   8,770.77/13,157.89 = 3,224.16/x
3. Step 3: Cross multiply
   8,770.77x = 13,157.89 × 3,224.16
4. Step 4: Simplify right side
   8,770.77x = 42,423,142.62
5. Step 5: Solve for x
   x = 42,423,142.62/8,770.77
6. Step 6: Final answer
   x = 4,836.88