Finding the Fourth Proportional to 13,501.42, 18,631.82 and 7,451.73

Step by Step Solution

1. Step 1: Write the proportion equation
   13,501.42 : 18,631.82 = 7,451.73 : x
2. Step 2: Convert to fraction form
   13,501.42/18,631.82 = 7,451.73/x
3. Step 3: Cross multiply
   13,501.42x = 18,631.82 × 7,451.73
4. Step 4: Simplify right side
   13,501.42x = 138,839,310.68
5. Step 5: Solve for x
   x = 138,839,310.68/13,501.42
6. Step 6: Final answer
   x = 10,283.31