Finding the Fourth Proportional to 8,780.28, 13,158.72 and 3,844.54

Step by Step Solution

1. Step 1: Write the proportion equation
   8,780.28 : 13,158.72 = 3,844.54 : x
2. Step 2: Convert to fraction form
   8,780.28/13,158.72 = 3,844.54/x
3. Step 3: Cross multiply
   8,780.28x = 13,158.72 × 3,844.54
4. Step 4: Simplify right side
   8,780.28x = 50,589,225.39
5. Step 5: Solve for x
   x = 50,589,225.39/8,780.28
6. Step 6: Final answer
   x = 5,761.69