Finding the Fourth Proportional to 7,922.69, 10,947.77 and 7,538.39

Step by Step Solution

1. Step 1: Write the proportion equation
   7,922.69 : 10,947.77 = 7,538.39 : x
2. Step 2: Convert to fraction form
   7,922.69/10,947.77 = 7,538.39/x
3. Step 3: Cross multiply
   7,922.69x = 10,947.77 × 7,538.39
4. Step 4: Simplify right side
   7,922.69x = 82,528,467.46
5. Step 5: Solve for x
   x = 82,528,467.46/7,922.69
6. Step 6: Final answer
   x = 10,416.73