Finding the Fourth Proportional to 13,425.96, 20,141.82 and 5,630.28

Step by Step Solution

1. Step 1: Write the proportion equation
   13,425.96 : 20,141.82 = 5,630.28 : x
2. Step 2: Convert to fraction form
   13,425.96/20,141.82 = 5,630.28/x
3. Step 3: Cross multiply
   13,425.96x = 20,141.82 × 5,630.28
4. Step 4: Simplify right side
   13,425.96x = 113,404,086.31
5. Step 5: Solve for x
   x = 113,404,086.31/13,425.96
6. Step 6: Final answer
   x = 8,446.63