Finding the Fourth Proportional to 10,930.58, 15,100.66 and 7,162.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,930.58 : 15,100.66 = 7,162.70 : x
2. Step 2: Convert to fraction form
   10,930.58/15,100.66 = 7,162.70/x
3. Step 3: Cross multiply
   10,930.58x = 15,100.66 × 7,162.70
4. Step 4: Simplify right side
   10,930.58x = 108,161,497.38
5. Step 5: Solve for x
   x = 108,161,497.38/10,930.58
6. Step 6: Final answer
   x = 9,895.31