Finding the Fourth Proportional to 13,494.69, 18,622.71 and 7,526.75

Step by Step Solution

1. Step 1: Write the proportion equation
   13,494.69 : 18,622.71 = 7,526.75 : x
2. Step 2: Convert to fraction form
   13,494.69/18,622.71 = 7,526.75/x
3. Step 3: Cross multiply
   13,494.69x = 18,622.71 × 7,526.75
4. Step 4: Simplify right side
   13,494.69x = 140,168,351.75
5. Step 5: Solve for x
   x = 140,168,351.75/13,494.69
6. Step 6: Final answer
   x = 10,386.93