Finding the Fourth Proportional to 13,816.14, 19,066.30 and 7,528.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,816.14 : 19,066.30 = 7,528.52 : x
2. Step 2: Convert to fraction form
   13,816.14/19,066.30 = 7,528.52/x
3. Step 3: Cross multiply
   13,816.14x = 19,066.30 × 7,528.52
4. Step 4: Simplify right side
   13,816.14x = 143,540,906.72
5. Step 5: Solve for x
   x = 143,540,906.72/13,816.14
6. Step 6: Final answer
   x = 10,389.36