Finding the Fourth Proportional to 12,776.23, 17,629.25 and 7,110.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,776.23 : 17,629.25 = 7,110.89 : x
2. Step 2: Convert to fraction form
   12,776.23/17,629.25 = 7,110.89/x
3. Step 3: Cross multiply
   12,776.23x = 17,629.25 × 7,110.89
4. Step 4: Simplify right side
   12,776.23x = 125,359,599.94
5. Step 5: Solve for x
   x = 125,359,599.94/12,776.23
6. Step 6: Final answer
   x = 9,811.94