Finding the Fourth Proportional to 10,940.76, 15,093 and 7,162.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,940.76 : 15,093 = 7,162.56 : x
2. Step 2: Convert to fraction form
   10,940.76/15,093 = 7,162.56/x
3. Step 3: Cross multiply
   10,940.76x = 15,093 × 7,162.56
4. Step 4: Simplify right side
   10,940.76x = 108,104,518.08
5. Step 5: Solve for x
   x = 108,104,518.08/10,940.76
6. Step 6: Final answer
   x = 9,880.90