Finding the Fourth Proportional to 10,078.08, 15,106.72 and 7,297.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,078.08 : 15,106.72 = 7,297.76 : x
2. Step 2: Convert to fraction form
   10,078.08/15,106.72 = 7,297.76/x
3. Step 3: Cross multiply
   10,078.08x = 15,106.72 × 7,297.76
4. Step 4: Simplify right side
   10,078.08x = 110,245,216.95
5. Step 5: Solve for x
   x = 110,245,216.95/10,078.08
6. Step 6: Final answer
   x = 10,939.11