Finding the Fourth Proportional to 13,527.49, 18,665.90 and 7,559.41

Step by Step Solution

1. Step 1: Write the proportion equation
   13,527.49 : 18,665.90 = 7,559.41 : x
2. Step 2: Convert to fraction form
   13,527.49/18,665.90 = 7,559.41/x
3. Step 3: Cross multiply
   13,527.49x = 18,665.90 × 7,559.41
4. Step 4: Simplify right side
   13,527.49x = 141,103,153.32
5. Step 5: Solve for x
   x = 141,103,153.32/13,527.49
6. Step 6: Final answer
   x = 10,430.85