Finding the Fourth Proportional to 8,921.58, 13,383.89 and 3,076.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,921.58 : 13,383.89 = 3,076.82 : x
2. Step 2: Convert to fraction form
   8,921.58/13,383.89 = 3,076.82/x
3. Step 3: Cross multiply
   8,921.58x = 13,383.89 × 3,076.82
4. Step 4: Simplify right side
   8,921.58x = 41,179,820.43
5. Step 5: Solve for x
   x = 41,179,820.43/8,921.58
6. Step 6: Final answer
   x = 4,615.75