Finding the Fourth Proportional to 10,885.50, 15,018.30 and 7,527.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,885.50 : 15,018.30 = 7,527.06 : x
2. Step 2: Convert to fraction form
   10,885.50/15,018.30 = 7,527.06/x
3. Step 3: Cross multiply
   10,885.50x = 15,018.30 × 7,527.06
4. Step 4: Simplify right side
   10,885.50x = 113,043,645.20
5. Step 5: Solve for x
   x = 113,043,645.20/10,885.50
6. Step 6: Final answer
   x = 10,384.79