Finding the Fourth Proportional to 12,775.72, 17,630.37 and 7,110.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,775.72 : 17,630.37 = 7,110.37 : x
2. Step 2: Convert to fraction form
   12,775.72/17,630.37 = 7,110.37/x
3. Step 3: Cross multiply
   12,775.72x = 17,630.37 × 7,110.37
4. Step 4: Simplify right side
   12,775.72x = 125,358,455.98
5. Step 5: Solve for x
   x = 125,358,455.98/12,775.72
6. Step 6: Final answer
   x = 9,812.24