Finding the Fourth Proportional to 13,527.36, 18,667.68 and 7,559.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,527.36 : 18,667.68 = 7,559.04 : x
2. Step 2: Convert to fraction form
   13,527.36/18,667.68 = 7,559.04/x
3. Step 3: Cross multiply
   13,527.36x = 18,667.68 × 7,559.04
4. Step 4: Simplify right side
   13,527.36x = 141,109,739.83
5. Step 5: Solve for x
   x = 141,109,739.83/13,527.36
6. Step 6: Final answer
   x = 10,431.43