Finding the Fourth Proportional to 12,377.08, 17,078.79 and 7,072.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,377.08 : 17,078.79 = 7,072.24 : x
2. Step 2: Convert to fraction form
   12,377.08/17,078.79 = 7,072.24/x
3. Step 3: Cross multiply
   12,377.08x = 17,078.79 × 7,072.24
4. Step 4: Simplify right side
   12,377.08x = 120,785,216.40
5. Step 5: Solve for x
   x = 120,785,216.40/12,377.08
6. Step 6: Final answer
   x = 9,758.79