Finding the Fourth Proportional to 10,095.30, 15,110.55 and 7,179.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,095.30 : 15,110.55 = 7,179.30 : x
2. Step 2: Convert to fraction form
   10,095.30/15,110.55 = 7,179.30/x
3. Step 3: Cross multiply
   10,095.30x = 15,110.55 × 7,179.30
4. Step 4: Simplify right side
   10,095.30x = 108,483,171.62
5. Step 5: Solve for x
   x = 108,483,171.62/10,095.30
6. Step 6: Final answer
   x = 10,745.91