Finding the Fourth Proportional to 11,562.81, 15,952.78 and 7,527.79

Step by Step Solution

1. Step 1: Write the proportion equation
   11,562.81 : 15,952.78 = 7,527.79 : x
2. Step 2: Convert to fraction form
   11,562.81/15,952.78 = 7,527.79/x
3. Step 3: Cross multiply
   11,562.81x = 15,952.78 × 7,527.79
4. Step 4: Simplify right side
   11,562.81x = 120,089,198.82
5. Step 5: Solve for x
   x = 120,089,198.82/11,562.81
6. Step 6: Final answer
   x = 10,385.82