Finding the Fourth Proportional to 13,528.69, 18,669.64 and 7,560.46

Step by Step Solution

1. Step 1: Write the proportion equation
   13,528.69 : 18,669.64 = 7,560.46 : x
2. Step 2: Convert to fraction form
   13,528.69/18,669.64 = 7,560.46/x
3. Step 3: Cross multiply
   13,528.69x = 18,669.64 × 7,560.46
4. Step 4: Simplify right side
   13,528.69x = 141,150,935.28
5. Step 5: Solve for x
   x = 141,150,935.28/13,528.69
6. Step 6: Final answer
   x = 10,433.46