Finding the Fourth Proportional to 13,499.56, 18,629.13 and 7,450.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,499.56 : 18,629.13 = 7,450.37 : x
2. Step 2: Convert to fraction form
   13,499.56/18,629.13 = 7,450.37/x
3. Step 3: Cross multiply
   13,499.56x = 18,629.13 × 7,450.37
4. Step 4: Simplify right side
   13,499.56x = 138,793,780.88
5. Step 5: Solve for x
   x = 138,793,780.88/13,499.56
6. Step 6: Final answer
   x = 10,281.36