Finding the Fourth Proportional to 13,409.82, 18,505.53 and 7,441.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,409.82 : 18,505.53 = 7,441.56 : x
2. Step 2: Convert to fraction form
   13,409.82/18,505.53 = 7,441.56/x
3. Step 3: Cross multiply
   13,409.82x = 18,505.53 × 7,441.56
4. Step 4: Simplify right side
   13,409.82x = 137,710,011.83
5. Step 5: Solve for x
   x = 137,710,011.83/13,409.82
6. Step 6: Final answer
   x = 10,269.34